74274992 has 40 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 33654080.

The previous prime is 74274983. The next prime is 74274997. The reversal of 74274992 is 29947247.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (74274997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88109 + ... + 88947.

It is an arithmetic number, because the mean of its divisors is an integer number (3937248).

Almost surely, 2^74274992 is an apocalyptic number.

It is an amenable number.

74274992 is an abundant number, since it is smaller than the sum of its proper divisors (83214928).

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

74274992 is a wasteful number, since it uses less digits than its factorization.

74274992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1355 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 74274992 is about 8618.2940307232. The cubic root of 74274992 is about 420.3530515925.

The spelling of 74274992 in words is "seventy-four million, two hundred seventy-four thousand, nine hundred ninety-two".