72344986 has 16 divisors (see below), whose sum is σ = 124508736. Its totient is φ = 30882816.

The previous prime is 72344969. The next prime is 72344999. The reversal of 72344986 is 68944327.

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, 6456 + ... + 13651.

It is an arithmetic number, because the mean of its divisors is an integer number (7781796).

Almost surely, 2^72344986 is an apocalyptic number.

72344986 is a deficient number, since it is larger than the sum of its proper divisors (52163750).

72344986 is a wasteful number, since it uses less digits than its factorization.

72344986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20373.

The product of its digits is 290304, while the sum is 43.

The square root of 72344986 is about 8505.5855765491. The cubic root of 72344986 is about 416.6801504614.

The spelling of 72344986 in words is "seventy-two million, three hundred forty-four thousand, nine hundred eighty-six".