9902905074 has 32 divisors (see below), whose sum is σ = 22518239040. Its totient is φ = 3224200896.

The previous prime is 9902905073. The next prime is 9902905079. The reversal of 9902905074 is 4705092099.

It is not an unprimeable number, because it can be changed into a prime (9902905073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2130087 + ... + 2134730.

It is an arithmetic number, because the mean of its divisors is an integer number (703694970).

Almost surely, 2^9902905074 is an apocalyptic number.

9902905074 is an abundant number, since it is smaller than the sum of its proper divisors (12615333966).

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

9902905074 is a wasteful number, since it uses less digits than its factorization.

9902905074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264871 (or 4264865 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 9902905074 is about 99513.3411859938. The cubic root of 9902905074 is about 2147.4391774223.

The spelling of 9902905074 in words is "nine billion, nine hundred two million, nine hundred five thousand, seventy-four".