72062972 has 48 divisors (see below), whose sum is σ = 139238400. Its totient is φ = 32503680.

The previous prime is 72062957. The next prime is 72062981. The reversal of 72062972 is 27926027.

72062972 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

72062972 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171779 + ... + 172197.

It is an arithmetic number, because the mean of its divisors is an integer number (2900800).

Almost surely, 2^72062972 is an apocalyptic number.

It is an amenable number.

72062972 is a deficient number, since it is larger than the sum of its proper divisors (67175428).

72062972 is a wasteful number, since it uses less digits than its factorization.

72062972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 72062972 is about 8488.9912239323. The cubic root of 72062972 is about 416.1380135636.

Adding to 72062972 its reverse (27926027), we get a palindrome (99988999).

The spelling of 72062972 in words is "seventy-two million, sixty-two thousand, nine hundred seventy-two".