72359623 has 8 divisors (see below), whose sum is σ = 84384800. Its totient is φ = 62022240.

The previous prime is 72359621. The next prime is 72359627. The reversal of 72359623 is 32695327.

It is not a de Polignac number, because 72359623 - 2¹ = 72359621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72359621) 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, 105138 + ... + 105823.

It is an arithmetic number, because the mean of its divisors is an integer number (10548100).

Almost surely, 2^72359623 is an apocalyptic number.

72359623 is a deficient number, since it is larger than the sum of its proper divisors (12025177).

72359623 is an equidigital number, since it uses as much as digits as its factorization.

72359623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210982 (or 210968 counting only the distinct ones).

The product of its digits is 68040, while the sum is 37.

The square root of 72359623 is about 8506.4459676177. The cubic root of 72359623 is about 416.7082497877.

The spelling of 72359623 in words is "seventy-two million, three hundred fifty-nine thousand, six hundred twenty-three".