73200772 has 6 divisors (see below), whose sum is σ = 128101358. Its totient is φ = 36600384.

The previous prime is 73200767. The next prime is 73200833. The reversal of 73200772 is 27700237.

It can be written as a sum of positive squares in only one way, i.e., 66357316 + 6843456 = 8146^2 + 2616^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73200772.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9150093 + ... + 9150100.

Almost surely, 2^73200772 is an apocalyptic number.

It is an amenable number.

73200772 is a deficient number, since it is larger than the sum of its proper divisors (54900586).

73200772 is a wasteful number, since it uses less digits than its factorization.

73200772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18300197 (or 18300195 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 73200772 is about 8555.7449704862. The cubic root of 73200772 is about 418.3167169935.

The spelling of 73200772 in words is "seventy-three million, two hundred thousand, seven hundred seventy-two".