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73075433 = 401182233
BaseRepresentation
bin1000101101100…
…00101011101001
312002111121122112
410112300223221
5122201403213
611130132105
71545062624
oct426605351
9162447575
1073075433
1138281722
1220581035
13121a7602
1499c2dbb
156636ea8
hex45b0ae9

73075433 has 4 divisors (see below), whose sum is σ = 73258068. Its totient is φ = 72892800.

The previous prime is 73075427. The next prime is 73075451. The reversal of 73075433 is 33457037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33457037 = 171968061.

It can be written as a sum of positive squares in 2 ways, for example, as 66455104 + 6620329 = 8152^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 73075433 - 216 = 73009897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73075433.

It is not an unprimeable number, because it can be changed into a prime (73075403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90716 + ... + 91517.

It is an arithmetic number, because the mean of its divisors is an integer number (18314517).

Almost surely, 273075433 is an apocalyptic number.

It is an amenable number.

73075433 is a deficient number, since it is larger than the sum of its proper divisors (182635).

73075433 is a wasteful number, since it uses less digits than its factorization.

73075433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182634.

The product of its (nonzero) digits is 26460, while the sum is 32.

The square root of 73075433 is about 8548.4169879575. The cubic root of 73075433 is about 418.0778244631.

The spelling of 73075433 in words is "seventy-three million, seventy-five thousand, four hundred thirty-three".

Divisors: 1 401 182233 73075433