45731670 has 32 divisors (see below), whose sum is σ = 115534080. Its totient is φ = 11553120.

The previous prime is 45731669. The next prime is 45731681. The reversal of 45731670 is 7613754.

It is a congruent 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, 39546 + ... + 40685.

It is an arithmetic number, because the mean of its divisors is an integer number (3610440).

Almost surely, 2^45731670 is an apocalyptic number.

45731670 is an abundant number, since it is smaller than the sum of its proper divisors (69802410).

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

45731670 is a wasteful number, since it uses less digits than its factorization.

45731670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80260.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 45731670 is about 6762.5195008961. The cubic root of 45731670 is about 357.6067329283.

The spelling of 45731670 in words is "forty-five million, seven hundred thirty-one thousand, six hundred seventy".