45718720 has 28 divisors (see below), whose sum is σ = 108868464. Its totient is φ = 18287360.

The previous prime is 45718711. The next prime is 45718727. The reversal of 45718720 is 2781754.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45718727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71116 + ... + 71755.

Almost surely, 2^45718720 is an apocalyptic number.

45718720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45718720 is an abundant number, since it is smaller than the sum of its proper divisors (63149744).

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

45718720 is a wasteful number, since it uses less digits than its factorization.

45718720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142888 (or 142878 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 45718720 is about 6761.5619497273. The cubic root of 45718720 is about 357.5729748172.

The spelling of 45718720 in words is "forty-five million, seven hundred eighteen thousand, seven hundred twenty".