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74132011 = 731015507
BaseRepresentation
bin1000110101100…
…10101000101011
312011111022000001
410122302220223
5122434211021
611204523431
71560053212
oct432625053
9164438001
1074132011
1138933528
12209b0577
13124874c5
149bba079
156795091
hex46b2a2b

74132011 has 4 divisors (see below), whose sum is σ = 75147592. Its totient is φ = 73116432.

The previous prime is 74131999. The next prime is 74132017. The reversal of 74132011 is 11023147.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74132011 - 217 = 74000939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74132011.

It is not an unprimeable number, because it can be changed into a prime (74132017) 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, 507681 + ... + 507826.

It is an arithmetic number, because the mean of its divisors is an integer number (18786898).

Almost surely, 274132011 is an apocalyptic number.

74132011 is a deficient number, since it is larger than the sum of its proper divisors (1015581).

74132011 is a wasteful number, since it uses less digits than its factorization.

74132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015580.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 74132011 is about 8609.9948315896. The cubic root of 74132011 is about 420.0831486927.

Adding to 74132011 its reverse (11023147), we get a palindrome (85155158).

The spelling of 74132011 in words is "seventy-four million, one hundred thirty-two thousand, eleven".

Divisors: 1 73 1015507 74132011