972621713 has 8 divisors (see below), whose sum is σ = 1135218432. Its totient is φ = 815937696.

The previous prime is 972621673. The next prime is 972621719. The reversal of 972621713 is 317126279.

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

It is not a de Polignac number, because 972621713 - 2⁶ = 972621649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972621719) 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, 1477820 + ... + 1478477.

It is an arithmetic number, because the mean of its divisors is an integer number (141902304).

Almost surely, 2^972621713 is an apocalyptic number.

It is an amenable number.

972621713 is a deficient number, since it is larger than the sum of its proper divisors (162596719).

972621713 is a wasteful number, since it uses less digits than its factorization.

972621713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956351.

The product of its digits is 31752, while the sum is 38.

The square root of 972621713 is about 31186.8836692607. The cubic root of 972621713 is about 990.7893283276.

The spelling of 972621713 in words is "nine hundred seventy-two million, six hundred twenty-one thousand, seven hundred thirteen".