72920200 has 24 divisors (see below), whose sum is σ = 169539930. Its totient is φ = 29168000.

The previous prime is 72920173. The next prime is 72920203. The reversal of 72920200 is 202927.

It can be written as a sum of positive squares in 3 ways, for example, as 39765636 + 33154564 = 6306^2 + 5758^2 .

It is not an unprimeable number, because it can be changed into a prime (72920203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182101 + ... + 182500.

Almost surely, 2^72920200 is an apocalyptic number.

It is an amenable number.

72920200 is an abundant number, since it is smaller than the sum of its proper divisors (96619730).

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

72920200 is a wasteful number, since it uses less digits than its factorization.

72920200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364617 (or 364608 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 72920200 is about 8539.3325266089. The cubic root of 72920200 is about 417.7815758629.

The spelling of 72920200 in words is "seventy-two million, nine hundred twenty thousand, two hundred".