72949692 has 12 divisors (see below), whose sum is σ = 170215976. Its totient is φ = 24316560.

The previous prime is 72949673. The next prime is 72949693. The reversal of 72949692 is 29694927.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72949693) 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, 3039559 + ... + 3039582.

Almost surely, 2^72949692 is an apocalyptic number.

It is an amenable number.

72949692 is an abundant number, since it is smaller than the sum of its proper divisors (97266284).

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

72949692 is a wasteful number, since it uses less digits than its factorization.

72949692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079148 (or 6079146 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 72949692 is about 8541.0591849021. The cubic root of 72949692 is about 417.8378910930.

The spelling of 72949692 in words is "seventy-two million, nine hundred forty-nine thousand, six hundred ninety-two".