972345599 has 4 divisors (see below), whose sum is σ = 972808320. Its totient is φ = 971882880.

The previous prime is 972345593. The next prime is 972345613. The reversal of 972345599 is 995543279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 995543279 = 167 ⋅5961337.

It is a cyclic number.

It is not a de Polignac number, because 972345599 - 2⁸ = 972345343 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 972345599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972345593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228194 + ... + 232415.

It is an arithmetic number, because the mean of its divisors is an integer number (243202080).

Almost surely, 2^972345599 is an apocalyptic number.

972345599 is a deficient number, since it is larger than the sum of its proper divisors (462721).

972345599 is a wasteful number, since it uses less digits than its factorization.

972345599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462720.

The product of its digits is 3061800, while the sum is 53.

The square root of 972345599 is about 31182.4565902047. The cubic root of 972345599 is about 990.6955622750.

The spelling of 972345599 in words is "nine hundred seventy-two million, three hundred forty-five thousand, five hundred ninety-nine".