72679578 has 32 divisors (see below), whose sum is σ = 150038784. Its totient is φ = 23457792.

The previous prime is 72679577. The next prime is 72679613. The reversal of 72679578 is 87597627.

It is a self number, because there is not a number n which added to its sum of digits gives 72679578.

It is not an unprimeable number, because it can be changed into a prime (72679571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26026 + ... + 28682.

It is an arithmetic number, because the mean of its divisors is an integer number (4688712).

Almost surely, 2^72679578 is an apocalyptic number.

72679578 is an abundant number, since it is smaller than the sum of its proper divisors (77359206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72679578 is a wasteful number, since it uses less digits than its factorization.

72679578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806.

The product of its digits is 1481760, while the sum is 51.

The square root of 72679578 is about 8525.2318443547. The cubic root of 72679578 is about 417.3215377438.

The spelling of 72679578 in words is "seventy-two million, six hundred seventy-nine thousand, five hundred seventy-eight".