45530072 has 32 divisors (see below), whose sum is σ = 100715520. Its totient is φ = 18882720.

The previous prime is 45530059. The next prime is 45530081. The reversal of 45530072 is 27003554.

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, 11378 + ... + 14849.

It is an arithmetic number, because the mean of its divisors is an integer number (3147360).

Almost surely, 2^45530072 is an apocalyptic number.

It is an amenable number.

45530072 is an abundant number, since it is smaller than the sum of its proper divisors (55185448).

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

45530072 is a wasteful number, since it uses less digits than its factorization.

45530072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26271 (or 26267 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 45530072 is about 6747.5974983693. The cubic root of 45530072 is about 357.0804820287.

The spelling of 45530072 in words is "forty-five million, five hundred thirty thousand, seventy-two".