45683720 has 32 divisors (see below), whose sum is σ = 103123800. Its totient is φ = 18213888.

The previous prime is 45683713. The next prime is 45683741. The reversal of 45683720 is 2738654.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42276004 + 3407716 = 6502^2 + 1846^2 .

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, 11786 + ... + 15174.

Almost surely, 2^45683720 is an apocalyptic number.

45683720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45683720 is an abundant number, since it is smaller than the sum of its proper divisors (57440080).

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

45683720 is a wasteful number, since it uses less digits than its factorization.

45683720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 45683720 is about 6758.9732948133. The cubic root of 45683720 is about 357.4817047706.

The spelling of 45683720 in words is "forty-five million, six hundred eighty-three thousand, seven hundred twenty".