45731637 has 24 divisors (see below), whose sum is σ = 78099840. Its totient is φ = 25230240.

The previous prime is 45731627. The next prime is 45731663. The reversal of 45731637 is 73613754.

It is not a de Polignac number, because 45731637 - 2⁶ = 45731573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45731627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10689 + ... + 14342.

It is an arithmetic number, because the mean of its divisors is an integer number (3254160).

Almost surely, 2^45731637 is an apocalyptic number.

It is an amenable number.

45731637 is a deficient number, since it is larger than the sum of its proper divisors (32368203).

45731637 is a wasteful number, since it uses less digits than its factorization.

45731637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25073 (or 25070 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 45731637 is about 6762.5170609766. The cubic root of 45731637 is about 357.6066469119.

The spelling of 45731637 in words is "forty-five million, seven hundred thirty-one thousand, six hundred thirty-seven".