45913720 has 16 divisors (see below), whose sum is σ = 103305960. Its totient is φ = 18365472.

The previous prime is 45913717. The next prime is 45913733. The reversal of 45913720 is 2731954.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573882 + ... + 573961.

Almost surely, 2^45913720 is an apocalyptic number.

45913720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45913720 is an abundant number, since it is smaller than the sum of its proper divisors (57392240).

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

45913720 is a wasteful number, since it uses less digits than its factorization.

45913720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147854 (or 1147850 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 45913720 is about 6775.9663517464. The cubic root of 45913720 is about 358.0806285110.

The spelling of 45913720 in words is "forty-five million, nine hundred thirteen thousand, seven hundred twenty".