972624647 has 8 divisors (see below), whose sum is σ = 982983792. Its totient is φ = 962280000.

The previous prime is 972624641. The next prime is 972624671. The reversal of 972624647 is 746426279.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972624647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972624641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179228 + ... + 184574.

It is an arithmetic number, because the mean of its divisors is an integer number (122872974).

Almost surely, 2^972624647 is an apocalyptic number.

972624647 is a deficient number, since it is larger than the sum of its proper divisors (10359145).

972624647 is a wasteful number, since it uses less digits than its factorization.

972624647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249.

The product of its digits is 1016064, while the sum is 47.

The square root of 972624647 is about 31186.9307082310. The cubic root of 972624647 is about 990.7903245947.

The spelling of 972624647 in words is "nine hundred seventy-two million, six hundred twenty-four thousand, six hundred forty-seven".