974942490 has 32 divisors (see below), whose sum is σ = 2366159040. Its totient is φ = 257062784.

The previous prime is 974942477. The next prime is 974942509. The reversal of 974942490 is 94249479.

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, 179904 + ... + 185243.

It is an arithmetic number, because the mean of its divisors is an integer number (73942470).

Almost surely, 2^974942490 is an apocalyptic number.

974942490 is an abundant number, since it is smaller than the sum of its proper divisors (1391216550).

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

974942490 is a wasteful number, since it uses less digits than its factorization.

974942490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365246.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 974942490 is about 31224.0690813994. The cubic root of 974942490 is about 991.5767446494.

The spelling of 974942490 in words is "nine hundred seventy-four million, nine hundred forty-two thousand, four hundred ninety".