72348136 has 16 divisors (see below), whose sum is σ = 155031840. Its totient is φ = 31006320.

The previous prime is 72348109. The next prime is 72348151. The reversal of 72348136 is 63184327.

It is a happy 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, 645910 + ... + 646021.

It is an arithmetic number, because the mean of its divisors is an integer number (9689490).

Almost surely, 2^72348136 is an apocalyptic number.

It is an amenable number.

72348136 is an abundant number, since it is smaller than the sum of its proper divisors (82683704).

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

72348136 is a wasteful number, since it uses less digits than its factorization.

72348136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291944 (or 1291940 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 72348136 is about 8505.7707469694. The cubic root of 72348136 is about 416.6861979822.

The spelling of 72348136 in words is "seventy-two million, three hundred forty-eight thousand, one hundred thirty-six".