45731964 has 24 divisors (see below), whose sum is σ = 106888320. Its totient is φ = 15218224.

The previous prime is 45731957. The next prime is 45731971. The reversal of 45731964 is 46913754.

It is an interprime number because it is at equal distance from previous prime (45731957) and next prime (45731971).

It is a congruent number.

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, 5017 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (4453680).

Almost surely, 2^45731964 is an apocalyptic number.

It is an amenable number.

45731964 is an abundant number, since it is smaller than the sum of its proper divisors (61156356).

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

45731964 is a wasteful number, since it uses less digits than its factorization.

45731964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449 (or 6447 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 45731964 is about 6762.5412383216. The cubic root of 45731964 is about 357.6074992547.

The spelling of 45731964 in words is "forty-five million, seven hundred thirty-one thousand, nine hundred sixty-four".