45396720 has 80 divisors (see below), whose sum is σ = 156373920. Its totient is φ = 12105216.

The previous prime is 45396683. The next prime is 45396751. The reversal of 45396720 is 2769354.

45396720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8349 + ... + 12668.

It is an arithmetic number, because the mean of its divisors is an integer number (1954674).

Almost surely, 2^45396720 is an apocalyptic number.

45396720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45396720 is an abundant number, since it is smaller than the sum of its proper divisors (110977200).

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

45396720 is a wasteful number, since it uses less digits than its factorization.

45396720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21039 (or 21027 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 45396720 is about 6737.7088093802. The cubic root of 45396720 is about 356.7315261362.

The spelling of 45396720 in words is "forty-five million, three hundred ninety-six thousand, seven hundred twenty".