72204592 has 20 divisors (see below), whose sum is σ = 141815080. Its totient is φ = 35607168.

The previous prime is 72204589. The next prime is 72204607. The reversal of 72204592 is 29540227.

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, 29742 + ... + 32077.

It is an arithmetic number, because the mean of its divisors is an integer number (7090754).

Almost surely, 2^72204592 is an apocalyptic number.

It is an amenable number.

72204592 is a deficient number, since it is larger than the sum of its proper divisors (69610488).

72204592 is a wasteful number, since it uses less digits than its factorization.

72204592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61900 (or 61894 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 72204592 is about 8497.3285213648. The cubic root of 72204592 is about 416.4104368812.

The spelling of 72204592 in words is "seventy-two million, two hundred four thousand, five hundred ninety-two".