972709015 has 16 divisors (see below), whose sum is σ = 1190707200. Its totient is φ = 762648480.

The previous prime is 972708991. The next prime is 972709019. The reversal of 972709015 is 510907279.

It is not a de Polignac number, because 972709015 - 2¹⁵ = 972676247 is a prime.

It is a super-3 number, since 3×972709015³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972709019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 59370 + ... + 73960.

It is an arithmetic number, because the mean of its divisors is an integer number (74419200).

Almost surely, 2^972709015 is an apocalyptic number.

972709015 is a deficient number, since it is larger than the sum of its proper divisors (217998185).

972709015 is a wasteful number, since it uses less digits than its factorization.

972709015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14862.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 972709015 is about 31188.2832967767. The cubic root of 972709015 is about 990.8189716792.

The spelling of 972709015 in words is "nine hundred seventy-two million, seven hundred nine thousand, fifteen".