72717052 has 24 divisors (see below), whose sum is σ = 130051152. Its totient is φ = 35568000.

The previous prime is 72717049. The next prime is 72717079. The reversal of 72717052 is 25071727.

It is a super-3 number, since 3×72717052³ (a number of 25 digits) contains 333 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, 37302 + ... + 39202.

It is an arithmetic number, because the mean of its divisors is an integer number (5418798).

Almost surely, 2^72717052 is an apocalyptic number.

It is an amenable number.

72717052 is a deficient number, since it is larger than the sum of its proper divisors (57334100).

72717052 is a wasteful number, since it uses less digits than its factorization.

72717052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 72717052 is about 8527.4293899158. The cubic root of 72717052 is about 417.3932498658.

Adding to 72717052 its reverse (25071727), we get a palindrome (97788779).

The spelling of 72717052 in words is "seventy-two million, seven hundred seventeen thousand, fifty-two".