74752407 has 12 divisors (see below), whose sum is σ = 109343520. Its totient is φ = 49203648.

The previous prime is 74752397. The next prime is 74752411. The reversal of 74752407 is 70425747.

It is a happy number.

It is not a de Polignac number, because 74752407 - 2¹⁴ = 74736023 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74752427) 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 11 ways as a sum of consecutive naturals, for example, 51858 + ... + 53279.

It is an arithmetic number, because the mean of its divisors is an integer number (9111960).

Almost surely, 2^74752407 is an apocalyptic number.

74752407 is a deficient number, since it is larger than the sum of its proper divisors (34591113).

74752407 is a wasteful number, since it uses less digits than its factorization.

74752407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105222 (or 105219 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 74752407 is about 8645.9474321788. The cubic root of 74752407 is about 421.2517587766.

The spelling of 74752407 in words is "seventy-four million, seven hundred fifty-two thousand, four hundred seven".