72004623 has 8 divisors (see below), whose sum is σ = 101059200. Its totient is φ = 45476568.

The previous prime is 72004619. The next prime is 72004631. The reversal of 72004623 is 32640027.

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

It is not a de Polignac number, because 72004623 - 2² = 72004619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72004593 and 72004602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72004613) 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, 631563 + ... + 631676.

It is an arithmetic number, because the mean of its divisors is an integer number (12632400).

Almost surely, 2^72004623 is an apocalyptic number.

72004623 is a deficient number, since it is larger than the sum of its proper divisors (29054577).

72004623 is a wasteful number, since it uses less digits than its factorization.

72004623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263261.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 72004623 is about 8485.5537827534. The cubic root of 72004623 is about 416.0256683342.

It can be divided in two parts, 72004 and 623, that added together give a palindrome (72627).

The spelling of 72004623 in words is "seventy-two million, four thousand, six hundred twenty-three".