7972703975 has 12 divisors (see below), whose sum is σ = 9893459040. Its totient is φ = 6373449600.

The previous prime is 7972703941. The next prime is 7972703993. The reversal of 7972703975 is 5793072797.

It is not a de Polignac number, because 7972703975 - 2¹⁸ = 7972441831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7972703975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83135 + ... + 151184.

It is an arithmetic number, because the mean of its divisors is an integer number (824454920).

Almost surely, 2^7972703975 is an apocalyptic number.

7972703975 is a deficient number, since it is larger than the sum of its proper divisors (1920755065).

7972703975 is a wasteful number, since it uses less digits than its factorization.

7972703975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235690 (or 235685 counting only the distinct ones).

The product of its (nonzero) digits is 5834430, while the sum is 56.

The square root of 7972703975 is about 89289.9993000336. Note that the first 3 decimals coincide. The cubic root of 7972703975 is about 1997.7227392759.

The spelling of 7972703975 in words is "seven billion, nine hundred seventy-two million, seven hundred three thousand, nine hundred seventy-five".