972547715 has 8 divisors (see below), whose sum is σ = 1167429408. Its totient is φ = 777790080.

The previous prime is 972547669. The next prime is 972547753. The reversal of 972547715 is 517745279.

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

It is not a de Polignac number, because 972547715 - 2²⁸ = 704112259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 972547715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12791 + ... + 45920.

It is an arithmetic number, because the mean of its divisors is an integer number (145928676).

Almost surely, 2^972547715 is an apocalyptic number.

972547715 is a deficient number, since it is larger than the sum of its proper divisors (194881693).

972547715 is a wasteful number, since it uses less digits than its factorization.

972547715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62029.

The product of its digits is 617400, while the sum is 47.

The square root of 972547715 is about 31185.6972825685. The cubic root of 972547715 is about 990.7642009538.

The spelling of 972547715 in words is "nine hundred seventy-two million, five hundred forty-seven thousand, seven hundred fifteen".