72327718 has 16 divisors (see below), whose sum is σ = 114373440. Its totient is φ = 34209000.

The previous prime is 72327691. The next prime is 72327721. The reversal of 72327718 is 81772327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39033 + ... + 40843.

It is an arithmetic number, because the mean of its divisors is an integer number (7148340).

Almost surely, 2^72327718 is an apocalyptic number.

72327718 is a deficient number, since it is larger than the sum of its proper divisors (42045722).

72327718 is a wasteful number, since it uses less digits than its factorization.

72327718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883.

The product of its digits is 32928, while the sum is 37.

The square root of 72327718 is about 8504.5704183104. The cubic root of 72327718 is about 416.6469954091.

It can be divided in two parts, 723 and 27718, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 72327718 in words is "seventy-two million, three hundred twenty-seven thousand, seven hundred eighteen".