72722337 has 8 divisors (see below), whose sum is σ = 97025280. Its totient is φ = 48450480.

The previous prime is 72722333. The next prime is 72722339. The reversal of 72722337 is 73322727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72722337 - 2² = 72722333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72722298 and 72722307.

It is not an unprimeable number, because it can be changed into a prime (72722333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614 + ... + 12167.

It is an arithmetic number, because the mean of its divisors is an integer number (12128160).

Almost surely, 2^72722337 is an apocalyptic number.

It is an amenable number.

72722337 is a deficient number, since it is larger than the sum of its proper divisors (24302943).

72722337 is a wasteful number, since it uses less digits than its factorization.

72722337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15543.

The product of its digits is 24696, while the sum is 33.

The square root of 72722337 is about 8527.7392666521. The cubic root of 72722337 is about 417.4033615238.

The spelling of 72722337 in words is "seventy-two million, seven hundred twenty-two thousand, three hundred thirty-seven".