74563164420 has 48 divisors (see below), whose sum is σ = 214419484608. Its totient is φ = 19346117760.

The previous prime is 74563164409. The next prime is 74563164433. The reversal of 74563164420 is 2446136547.

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, 16791286 + ... + 16795725.

It is an arithmetic number, because the mean of its divisors is an integer number (4467072596).

Almost surely, 2^74563164420 is an apocalyptic number.

It is an amenable number.

74563164420 is an abundant number, since it is smaller than the sum of its proper divisors (139856320188).

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

74563164420 is a wasteful number, since it uses less digits than its factorization.

74563164420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33587060 (or 33587058 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 74563164420 in words is "seventy-four billion, five hundred sixty-three million, one hundred sixty-four thousand, four hundred twenty".