74265138 has 24 divisors (see below), whose sum is σ = 161068908. Its totient is φ = 24730272.

The previous prime is 74265133. The next prime is 74265161. The reversal of 74265138 is 83156247.

It can be written as a sum of positive squares in 2 ways, for example, as 71014329 + 3250809 = 8427^2 + 1803^2 .

It is not an unprimeable number, because it can be changed into a prime (74265133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29256 + ... + 31692.

Almost surely, 2^74265138 is an apocalyptic number.

74265138 is an abundant number, since it is smaller than the sum of its proper divisors (86803770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74265138 is a wasteful number, since it uses less digits than its factorization.

74265138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 4135 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 74265138 is about 8617.7223208920. The cubic root of 74265138 is about 420.3344614765.

The spelling of 74265138 in words is "seventy-four million, two hundred sixty-five thousand, one hundred thirty-eight".