73287272 has 16 divisors (see below), whose sum is σ = 145497060. Its totient is φ = 34488064.

The previous prime is 73287271. The next prime is 73287299. The reversal of 73287272 is 27278237.

It can be written as a sum of positive squares in 2 ways, for example, as 54848836 + 18438436 = 7406^2 + 4294^2 .

It is not an unprimeable number, because it can be changed into a prime (73287271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269303 + ... + 269574.

Almost surely, 2^73287272 is an apocalyptic number.

It is an amenable number.

73287272 is a deficient number, since it is larger than the sum of its proper divisors (72209788).

73287272 is a wasteful number, since it uses less digits than its factorization.

73287272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538900 (or 538896 counting only the distinct ones).

The product of its digits is 65856, while the sum is 38.

The square root of 73287272 is about 8560.7985608820. The cubic root of 73287272 is about 418.4814245122.

The spelling of 73287272 in words is "seventy-three million, two hundred eighty-seven thousand, two hundred seventy-two".