45074720 has 24 divisors (see below), whose sum is σ = 106489404. Its totient is φ = 18029824.

The previous prime is 45074717. The next prime is 45074723. The reversal of 45074720 is 2747054.

It is an interprime number because it is at equal distance from previous prime (45074717) and next prime (45074723).

It can be written as a sum of positive squares in 2 ways, for example, as 43507216 + 1567504 = 6596^2 + 1252^2 .

It is not an unprimeable number, because it can be changed into a prime (45074723) 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, 140699 + ... + 141018.

Almost surely, 2^45074720 is an apocalyptic number.

45074720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45074720 is an abundant number, since it is smaller than the sum of its proper divisors (61414684).

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

45074720 is a wasteful number, since it uses less digits than its factorization.

45074720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281732 (or 281724 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 45074720 is about 6713.7709225144. The cubic root of 45074720 is about 355.8860890445.

The spelling of 45074720 in words is "forty-five million, seventy-four thousand, seven hundred twenty".