74038407 has 16 divisors (see below), whose sum is σ = 100289280. Its totient is φ = 48578112.

The previous prime is 74038399. The next prime is 74038427. The reversal of 74038407 is 70483047.

It is a happy number.

It is not a de Polignac number, because 74038407 - 2³ = 74038399 is a prime.

It is a super-2 number, since 2×74038407² = 10963371422195298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74038427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101478 + ... + 102204.

It is an arithmetic number, because the mean of its divisors is an integer number (6268080).

Almost surely, 2^74038407 is an apocalyptic number.

74038407 is a deficient number, since it is larger than the sum of its proper divisors (26250873).

74038407 is a wasteful number, since it uses less digits than its factorization.

74038407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 74038407 is about 8604.5573389919. The cubic root of 74038407 is about 419.9062659304.

The spelling of 74038407 in words is "seventy-four million, thirty-eight thousand, four hundred seven".