72066204 has 36 divisors (see below), whose sum is σ = 208191984. Its totient is φ = 20590272.

The previous prime is 72066187. The next prime is 72066223. The reversal of 72066204 is 40266027.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142737 + ... + 143240.

Almost surely, 2^72066204 is an apocalyptic number.

It is an amenable number.

72066204 is an abundant number, since it is smaller than the sum of its proper divisors (136125780).

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

72066204 is a wasteful number, since it uses less digits than its factorization.

72066204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285994 (or 285989 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 72066204 is about 8489.1815859952. The cubic root of 72066204 is about 416.1442346871.

The spelling of 72066204 in words is "seventy-two million, sixty-six thousand, two hundred four".