45474072 has 32 divisors (see below), whose sum is σ = 129926400. Its totient is φ = 12992544.

The previous prime is 45474067. The next prime is 45474083. The reversal of 45474072 is 27047454.

It is a super-2 number, since 2×45474072² = 4135782448522368, which contains 22 as substring.

It is a congruent number.

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, 135172 + ... + 135507.

It is an arithmetic number, because the mean of its divisors is an integer number (4060200).

Almost surely, 2^45474072 is an apocalyptic number.

45474072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45474072 is an abundant number, since it is smaller than the sum of its proper divisors (84452328).

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

45474072 is a wasteful number, since it uses less digits than its factorization.

45474072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270695 (or 270691 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 45474072 is about 6743.4465965113. The cubic root of 45474072 is about 356.9340241676.

The spelling of 45474072 in words is "forty-five million, four hundred seventy-four thousand, seventy-two".