72658479 has 8 divisors (see below), whose sum is σ = 96918400. Its totient is φ = 48418776.

The previous prime is 72658477. The next prime is 72658571. The reversal of 72658479 is 97485627.

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

It is not a de Polignac number, because 72658479 - 2¹ = 72658477 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 (72658471) 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, 8622 + ... + 14820.

It is an arithmetic number, because the mean of its divisors is an integer number (12114800).

Almost surely, 2^72658479 is an apocalyptic number.

72658479 is a deficient number, since it is larger than the sum of its proper divisors (24259921).

72658479 is a wasteful number, since it uses less digits than its factorization.

72658479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109.

The product of its digits is 846720, while the sum is 48.

The square root of 72658479 is about 8523.9943101811. The cubic root of 72658479 is about 417.2811507945.

It can be divided in two parts, 72658 and 479, that added together give a palindrome (73137).

The spelling of 72658479 in words is "seventy-two million, six hundred fifty-eight thousand, four hundred seventy-nine".