72583697 has 4 divisors (see below), whose sum is σ = 72786240. Its totient is φ = 72381156.

The previous prime is 72583669. The next prime is 72583733. The reversal of 72583697 is 79638527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72583697 - 2¹⁶ = 72518161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72583627) 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, 100733 + ... + 101450.

It is an arithmetic number, because the mean of its divisors is an integer number (18196560).

Almost surely, 2^72583697 is an apocalyptic number.

It is an amenable number.

72583697 is a deficient number, since it is larger than the sum of its proper divisors (202543).

72583697 is a wasteful number, since it uses less digits than its factorization.

72583697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202542.

The product of its digits is 635040, while the sum is 47.

The square root of 72583697 is about 8519.6066223741. The cubic root of 72583697 is about 417.1379427740.

The spelling of 72583697 in words is "seventy-two million, five hundred eighty-three thousand, six hundred ninety-seven".