72364718 has 8 divisors (see below), whose sum is σ = 108585048. Its totient is φ = 36169704.

The previous prime is 72364717. The next prime is 72364729. The reversal of 72364718 is 81746327.

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

It is a super-2 number, since 2×72364718² = 10473304822439048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72364717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580 + ... + 12872.

It is an arithmetic number, because the mean of its divisors is an integer number (13573131).

Almost surely, 2^72364718 is an apocalyptic number.

72364718 is a deficient number, since it is larger than the sum of its proper divisors (36220330).

72364718 is a wasteful number, since it uses less digits than its factorization.

72364718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658.

The product of its digits is 56448, while the sum is 38.

The square root of 72364718 is about 8506.7454411191. The cubic root of 72364718 is about 416.7180300059.

The spelling of 72364718 in words is "seventy-two million, three hundred sixty-four thousand, seven hundred eighteen".