72393692 has 24 divisors (see below), whose sum is σ = 144992736. Its totient is φ = 30981888.

The previous prime is 72393689. The next prime is 72393709. The reversal of 72393692 is 29639327.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 25328 + ... + 28040.

It is an arithmetic number, because the mean of its divisors is an integer number (6041364).

Almost surely, 2^72393692 is an apocalyptic number.

It is an amenable number.

72393692 is an abundant number, since it is smaller than the sum of its proper divisors (72599044).

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

72393692 is a wasteful number, since it uses less digits than its factorization.

72393692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677 (or 3675 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 72393692 is about 8508.4482721587. The cubic root of 72393692 is about 416.7736389521.

The spelling of 72393692 in words is "seventy-two million, three hundred ninety-three thousand, six hundred ninety-two".