73272897 has 8 divisors (see below), whose sum is σ = 108552480. Its totient is φ = 48848580.

The previous prime is 73272893. The next prime is 73272931. The reversal of 73272897 is 79827237.

It is not a de Polignac number, because 73272897 - 2² = 73272893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73272893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356879 + ... + 1356932.

It is an arithmetic number, because the mean of its divisors is an integer number (13569060).

Almost surely, 2^73272897 is an apocalyptic number.

It is an amenable number.

73272897 is a deficient number, since it is larger than the sum of its proper divisors (35279583).

73272897 is a wasteful number, since it uses less digits than its factorization.

73272897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713820 (or 2713814 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 73272897 is about 8559.9589368174. The cubic root of 73272897 is about 418.4540615805.

The spelling of 73272897 in words is "seventy-three million, two hundred seventy-two thousand, eight hundred ninety-seven".