74290213220 has 24 divisors (see below), whose sum is σ = 159814558008. Its totient is φ = 28991302400.

The previous prime is 74290213219. The next prime is 74290213241. The reversal of 74290213220 is 2231209247.

It can be written as a sum of positive squares in 4 ways, for example, as 2260241764 + 72029971456 = 47542^2 + 268384^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45298091 + ... + 45299730.

It is an arithmetic number, because the mean of its divisors is an integer number (6658939917).

Almost surely, 2^74290213220 is an apocalyptic number.

It is an amenable number.

74290213220 is an abundant number, since it is smaller than the sum of its proper divisors (85524344788).

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

74290213220 is a wasteful number, since it uses less digits than its factorization.

74290213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90597871 (or 90597869 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 74290213220 in words is "seventy-four billion, two hundred ninety million, two hundred thirteen thousand, two hundred twenty".