45731686 has 64 divisors (see below), whose sum is σ = 94058496. Its totient is φ = 16099200.

The previous prime is 45731681. The next prime is 45731711. The reversal of 45731686 is 68613754.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45731681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105891 + ... + 106321.

It is an arithmetic number, because the mean of its divisors is an integer number (1469664).

Almost surely, 2^45731686 is an apocalyptic number.

45731686 is an abundant number, since it is smaller than the sum of its proper divisors (48326810).

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

45731686 is a wasteful number, since it uses less digits than its factorization.

45731686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its digits is 120960, while the sum is 40.

The square root of 45731686 is about 6762.5206838870. The cubic root of 45731686 is about 357.6067746332.

The spelling of 45731686 in words is "forty-five million, seven hundred thirty-one thousand, six hundred eighty-six".