72964452515 has 8 divisors (see below), whose sum is σ = 87642273888. Its totient is φ = 58314941440.

The previous prime is 72964452503. The next prime is 72964452521. The reversal of 72964452515 is 51525446927.

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

It is not a de Polignac number, because 72964452515 - 2⁸ = 72964452259 is a prime.

It is a super-2 number, since 2×72964452515² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 7071902 + ... + 7082211.

It is an arithmetic number, because the mean of its divisors is an integer number (10955284236).

Almost surely, 2^72964452515 is an apocalyptic number.

72964452515 is a deficient number, since it is larger than the sum of its proper divisors (14677821373).

72964452515 is a wasteful number, since it uses less digits than its factorization.

72964452515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14155149.

The product of its digits is 3024000, while the sum is 50.

The spelling of 72964452515 in words is "seventy-two billion, nine hundred sixty-four million, four hundred fifty-two thousand, five hundred fifteen".