72696396 has 12 divisors (see below), whose sum is σ = 169624952. Its totient is φ = 24232128.

The previous prime is 72696389. The next prime is 72696397. The reversal of 72696396 is 69369627.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (72696397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029005 + ... + 3029028.

Almost surely, 2^72696396 is an apocalyptic number.

It is an amenable number.

72696396 is an abundant number, since it is smaller than the sum of its proper divisors (96928556).

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

72696396 is a wasteful number, since it uses less digits than its factorization.

72696396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058040 (or 6058038 counting only the distinct ones).

The product of its digits is 734832, while the sum is 48.

The square root of 72696396 is about 8526.2181534371. The cubic root of 72696396 is about 417.3537245586.

The spelling of 72696396 in words is "seventy-two million, six hundred ninety-six thousand, three hundred ninety-six".