74420929 has 12 divisors (see below), whose sum is σ = 86109520. Its totient is φ = 64092600.

The previous prime is 74420897. The next prime is 74420953. The reversal of 74420929 is 92902447.

It is not a de Polignac number, because 74420929 - 2⁵ = 74420897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74420959) 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, 13887 + ... + 18484.

Almost surely, 2^74420929 is an apocalyptic number.

It is an amenable number.

74420929 is a deficient number, since it is larger than the sum of its proper divisors (11688591).

74420929 is a wasteful number, since it uses less digits than its factorization.

74420929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32412 (or 32401 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74420929 is about 8626.7565747504. The cubic root of 74420929 is about 420.6281775270.

The spelling of 74420929 in words is "seventy-four million, four hundred twenty thousand, nine hundred twenty-nine".