972509792 has 12 divisors (see below), whose sum is σ = 1914628716. Its totient is φ = 486254880.

The previous prime is 972509777. The next prime is 972509807. The reversal of 972509792 is 297905279.

It is an interprime number because it is at equal distance from previous prime (972509777) and next prime (972509807).

It is a self number, because there is not a number n which added to its sum of digits gives 972509792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15195434 + ... + 15195497.

It is an arithmetic number, because the mean of its divisors is an integer number (159552393).

Almost surely, 2^972509792 is an apocalyptic number.

It is an amenable number.

972509792 is a deficient number, since it is larger than the sum of its proper divisors (942118924).

972509792 is a wasteful number, since it uses less digits than its factorization.

972509792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30390941 (or 30390933 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 972509792 is about 31185.0892575282. The cubic root of 972509792 is about 990.7513230118.

The spelling of 972509792 in words is "nine hundred seventy-two million, five hundred nine thousand, seven hundred ninety-two".