72793623 has 8 divisors (see below), whose sum is σ = 110923648. Its totient is φ = 41596344.

The previous prime is 72793619. The next prime is 72793639. The reversal of 72793623 is 32639727.

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

It is not a de Polignac number, because 72793623 - 2² = 72793619 is a prime.

It is a super-2 number, since 2×72793623² = 10597823098932258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72793823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733161 + ... + 1733202.

It is an arithmetic number, because the mean of its divisors is an integer number (13865456).

Almost surely, 2^72793623 is an apocalyptic number.

72793623 is a deficient number, since it is larger than the sum of its proper divisors (38130025).

72793623 is a wasteful number, since it uses less digits than its factorization.

72793623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466373.

The product of its digits is 95256, while the sum is 39.

The square root of 72793623 is about 8531.9178969327. The cubic root of 72793623 is about 417.5397033966.

The spelling of 72793623 in words is "seventy-two million, seven hundred ninety-three thousand, six hundred twenty-three".