74737053420 has 48 divisors (see below), whose sum is σ = 221573384928. Its totient is φ = 18757534720.

The previous prime is 74737053383. The next prime is 74737053449. The reversal of 74737053420 is 2435073747.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36634791 + ... + 36636830.

It is an arithmetic number, because the mean of its divisors is an integer number (4616112186).

Almost surely, 2^74737053420 is an apocalyptic number.

It is an amenable number.

74737053420 is an abundant number, since it is smaller than the sum of its proper divisors (146836331508).

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

74737053420 is a wasteful number, since it uses less digits than its factorization.

74737053420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73271650 (or 73271648 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 42.

The spelling of 74737053420 in words is "seventy-four billion, seven hundred thirty-seven million, fifty-three thousand, four hundred twenty".