45897690 has 32 divisors (see below), whose sum is σ = 110496960. Its totient is φ = 12201344.

The previous prime is 45897689. The next prime is 45897707. The reversal of 45897690 is 9679854.

It is a super-2 number, since 2×45897690² = 4213195894672200, which contains 22 as substring.

It is a Curzon number.

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, 8206 + ... + 12614.

It is an arithmetic number, because the mean of its divisors is an integer number (3453030).

Almost surely, 2^45897690 is an apocalyptic number.

45897690 is an abundant number, since it is smaller than the sum of its proper divisors (64599270).

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

45897690 is a wasteful number, since it uses less digits than its factorization.

45897690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 45897690 is about 6774.7833913713. The cubic root of 45897690 is about 358.0389510588.

The spelling of 45897690 in words is "forty-five million, eight hundred ninety-seven thousand, six hundred ninety".