72552152 has 16 divisors (see below), whose sum is σ = 140424000. Its totient is φ = 35105760.

The previous prime is 72552091. The next prime is 72552163. The reversal of 72552152 is 25125527.

It is a super-2 number, since 2×72552152² = 10527629519662208, 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 3 ways as a sum of consecutive naturals, for example, 146027 + ... + 146522.

It is an arithmetic number, because the mean of its divisors is an integer number (8776500).

Almost surely, 2^72552152 is an apocalyptic number.

It is an amenable number.

72552152 is a deficient number, since it is larger than the sum of its proper divisors (67871848).

72552152 is a wasteful number, since it uses less digits than its factorization.

72552152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292586 (or 292582 counting only the distinct ones).

The product of its digits is 7000, while the sum is 29.

The square root of 72552152 is about 8517.7551033121. The cubic root of 72552152 is about 417.0775043943.

Adding to 72552152 its reverse (25125527), we get a palindrome (97677679).

The spelling of 72552152 in words is "seventy-two million, five hundred fifty-two thousand, one hundred fifty-two".