74275156 has 12 divisors (see below), whose sum is σ = 130171860. Its totient is φ = 37083200.

The previous prime is 74275151. The next prime is 74275171. The reversal of 74275156 is 65157247.

It can be written as a sum of positive squares in 2 ways, for example, as 41602500 + 32672656 = 6450^2 + 5716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74275151) 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, 10441 + ... + 16048.

It is an arithmetic number, because the mean of its divisors is an integer number (10847655).

Almost surely, 2^74275156 is an apocalyptic number.

It is an amenable number.

74275156 is a deficient number, since it is larger than the sum of its proper divisors (55896704).

74275156 is a wasteful number, since it uses less digits than its factorization.

74275156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27194 (or 27192 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 74275156 is about 8618.3035453620. The cubic root of 74275156 is about 420.3533609737.

The spelling of 74275156 in words is "seventy-four million, two hundred seventy-five thousand, one hundred fifty-six".