972413661 has 8 divisors (see below), whose sum is σ = 1303340544. Its totient is φ = 644881280.

The previous prime is 972413639. The next prime is 972413669. The reversal of 972413661 is 166314279.

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

It is a cyclic number.

It is not a de Polignac number, because 972413661 - 2¹⁴ = 972397277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972413669) 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, 847956 + ... + 849101.

It is an arithmetic number, because the mean of its divisors is an integer number (162917568).

Almost surely, 2^972413661 is an apocalyptic number.

It is an amenable number.

972413661 is a deficient number, since it is larger than the sum of its proper divisors (330926883).

972413661 is a wasteful number, since it uses less digits than its factorization.

972413661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697251.

The product of its digits is 54432, while the sum is 39.

The square root of 972413661 is about 31183.5479219411. The cubic root of 972413661 is about 990.7186772210.

The spelling of 972413661 in words is "nine hundred seventy-two million, four hundred thirteen thousand, six hundred sixty-one".