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74090833 = 137540809
BaseRepresentation
bin1000110101010…
…00100101010001
312011102012111221
410122220211101
5122431401313
611204005041
71556522155
oct432504521
9164365457
1074090833
11389055a3
1220990781
131247183b
149ba9065
156787c8d
hex46a8951

74090833 has 4 divisors (see below), whose sum is σ = 74631780. Its totient is φ = 73549888.

The previous prime is 74090827. The next prime is 74090851. The reversal of 74090833 is 33809047.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51509329 + 22581504 = 7177^2 + 4752^2 .

It is a cyclic number.

It is not a de Polignac number, because 74090833 - 25 = 74090801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74090803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270268 + ... + 270541.

It is an arithmetic number, because the mean of its divisors is an integer number (18657945).

Almost surely, 274090833 is an apocalyptic number.

It is an amenable number.

74090833 is a deficient number, since it is larger than the sum of its proper divisors (540947).

74090833 is a wasteful number, since it uses less digits than its factorization.

74090833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540946.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 74090833 is about 8607.6032087916. The cubic root of 74090833 is about 420.0053532953.

The spelling of 74090833 in words is "seventy-four million, ninety thousand, eight hundred thirty-three".

Divisors: 1 137 540809 74090833