72937373 has 4 divisors (see below), whose sum is σ = 74489280. Its totient is φ = 71385468.

The previous prime is 72937363. The next prime is 72937387. The reversal of 72937373 is 37373927.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37373927 = 2153 ⋅17359.

It is a cyclic number.

It is not a de Polignac number, because 72937373 - 2¹⁰ = 72936349 is a prime.

It is a super-2 number, since 2×72937373² = 10639720760282258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72937373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72937313) 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, 775883 + ... + 775976.

It is an arithmetic number, because the mean of its divisors is an integer number (18622320).

Almost surely, 2^72937373 is an apocalyptic number.

It is an amenable number.

72937373 is a deficient number, since it is larger than the sum of its proper divisors (1551907).

72937373 is a wasteful number, since it uses less digits than its factorization.

72937373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551906.

The product of its digits is 166698, while the sum is 41.

The square root of 72937373 is about 8540.3379909697. The cubic root of 72937373 is about 417.8143697017.

The spelling of 72937373 in words is "seventy-two million, nine hundred thirty-seven thousand, three hundred seventy-three".