72599478 has 24 divisors (see below), whose sum is σ = 168905592. Its totient is φ = 20742624.

The previous prime is 72599467. The next prime is 72599497. The reversal of 72599478 is 87499527.

It is a self number, because there is not a number n which added to its sum of digits gives 72599478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123175 + ... + 123762.

It is an arithmetic number, because the mean of its divisors is an integer number (7037733).

Almost surely, 2^72599478 is an apocalyptic number.

72599478 is an abundant number, since it is smaller than the sum of its proper divisors (96306114).

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

72599478 is a wasteful number, since it uses less digits than its factorization.

72599478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246956 (or 246949 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 72599478 is about 8520.5327298239. The cubic root of 72599478 is about 417.1681716781.

It can be divided in two parts, 7259947 and 8, that added together give a triangular number (7259955 = T₃₈₁₀).

The spelling of 72599478 in words is "seventy-two million, five hundred ninety-nine thousand, four hundred seventy-eight".