45890072 has 16 divisors (see below), whose sum is σ = 91105560. Its totient is φ = 21595264.

The previous prime is 45890059. The next prime is 45890107. The reversal of 45890072 is 27009854.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168578 + ... + 168849.

Almost surely, 2^45890072 is an apocalyptic number.

It is an amenable number.

45890072 is a deficient number, since it is larger than the sum of its proper divisors (45215488).

45890072 is a wasteful number, since it uses less digits than its factorization.

45890072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337450 (or 337446 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 45890072 is about 6774.2211360421. The cubic root of 45890072 is about 358.0191411174.

The spelling of 45890072 in words is "forty-five million, eight hundred ninety thousand, seventy-two".