74801920 has 36 divisors (see below), whose sum is σ = 179177040. Its totient is φ = 29920256.

The previous prime is 74801899. The next prime is 74801929. The reversal of 74801920 is 2910847.

It is not an unprimeable number, because it can be changed into a prime (74801929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27940 + ... + 30499.

It is an arithmetic number, because the mean of its divisors is an integer number (4977140).

Almost surely, 2^74801920 is an apocalyptic number.

It is an amenable number.

74801920 is an abundant number, since it is smaller than the sum of its proper divisors (104375120).

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

74801920 is an equidigital number, since it uses as much as digits as its factorization.

74801920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58460 (or 58446 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 74801920 is about 8648.8103228132. The cubic root of 74801920 is about 421.3447450131.

The spelling of 74801920 in words is "seventy-four million, eight hundred one thousand, nine hundred twenty".