72600621 has 8 divisors (see below), whose sum is σ = 98441760. Its totient is φ = 47579952.

The previous prime is 72600613. The next prime is 72600637. The reversal of 72600621 is 12600627.

It is a happy number.

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

It is not a de Polignac number, because 72600621 - 2³ = 72600613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72600591 and 72600600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72600611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204910 + ... + 205263.

It is an arithmetic number, because the mean of its divisors is an integer number (12305220).

Almost surely, 2^72600621 is an apocalyptic number.

It is an amenable number.

72600621 is a deficient number, since it is larger than the sum of its proper divisors (25841139).

72600621 is a wasteful number, since it uses less digits than its factorization.

72600621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410235.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 72600621 is about 8520.5998028308. The cubic root of 72600621 is about 417.1703609534.

The spelling of 72600621 in words is "seventy-two million, six hundred thousand, six hundred twenty-one".