290074056 has 32 divisors (see below), whose sum is σ = 726476640. Its totient is φ = 96519168.

The previous prime is 290073997. The next prime is 290074063. The reversal of 290074056 is 650470092.

It is a super-2 number, since 2×290074056² = 168285915928582272, which contains 22 as substring.

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, 3375 + ... + 24321.

It is an arithmetic number, because the mean of its divisors is an integer number (22702395).

Almost surely, 2^290074056 is an apocalyptic number.

It is an amenable number.

290074056 is an abundant number, since it is smaller than the sum of its proper divisors (436402584).

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

290074056 is a wasteful number, since it uses less digits than its factorization.

290074056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21533 (or 21529 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 290074056 is about 17031.5605861589. The cubic root of 290074056 is about 661.9669330544.

The spelling of 290074056 in words is "two hundred ninety million, seventy-four thousand, fifty-six".