45977427 has 12 divisors (see below), whose sum is σ = 66679704. Its totient is φ = 30528000.

The previous prime is 45977423. The next prime is 45977431. The reversal of 45977427 is 72477954.

It is an interprime number because it is at equal distance from previous prime (45977423) and next prime (45977431).

It is not a de Polignac number, because 45977427 - 2² = 45977423 is a prime.

It is a super-2 number, since 2×45977427² = 4227847587080658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45977423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7918 + ... + 12435.

It is an arithmetic number, because the mean of its divisors is an integer number (5556642).

Almost surely, 2^45977427 is an apocalyptic number.

45977427 is a deficient number, since it is larger than the sum of its proper divisors (20702277).

45977427 is a wasteful number, since it uses less digits than its factorization.

45977427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20610 (or 20607 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 45977427 is about 6780.6656752859. The cubic root of 45977427 is about 358.2461687154.

The spelling of 45977427 in words is "forty-five million, nine hundred seventy-seven thousand, four hundred twenty-seven".