72000552 has 32 divisors (see below), whose sum is σ = 193848480. Its totient is φ = 22153920.

The previous prime is 72000529. The next prime is 72000571. The reversal of 72000552 is 25500027.

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, 115074 + ... + 115697.

It is an arithmetic number, because the mean of its divisors is an integer number (6057765).

Almost surely, 2^72000552 is an apocalyptic number.

It is an amenable number.

72000552 is an abundant number, since it is smaller than the sum of its proper divisors (121847928).

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

72000552 is a wasteful number, since it uses less digits than its factorization.

72000552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230793 (or 230789 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 72000552 is about 8485.3139010882. The cubic root of 72000552 is about 416.0178277616.

Adding to 72000552 its reverse (25500027), we get a palindrome (97500579).

The spelling of 72000552 in words is "seventy-two million, five hundred fifty-two", and thus it is an aban number.