72204892 has 6 divisors (see below), whose sum is σ = 126358568. Its totient is φ = 36102444.

The previous prime is 72204887. The next prime is 72204893. The reversal of 72204892 is 29840227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72204893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9025608 + ... + 9025615.

Almost surely, 2^72204892 is an apocalyptic number.

It is an amenable number.

72204892 is a deficient number, since it is larger than the sum of its proper divisors (54153676).

72204892 is a wasteful number, since it uses less digits than its factorization.

72204892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18051227 (or 18051225 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 72204892 is about 8497.3461739534. The cubic root of 72204892 is about 416.4110135895.

The spelling of 72204892 in words is "seventy-two million, two hundred four thousand, eight hundred ninety-two".