972677473 has 4 divisors (see below), whose sum is σ = 972901908. Its totient is φ = 972453040.

The previous prime is 972677443. The next prime is 972677479. The reversal of 972677473 is 374776279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 703947024 + 268730449 = 26532^2 + 16393^2 .

It is a cyclic number.

It is not a de Polignac number, because 972677473 - 2⁵ = 972677441 is a prime.

It is a super-2 number, since 2×972677473² = 1892202932963331458, which contains 22 as substring.

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 972677473.

It is not an unprimeable number, because it can be changed into a prime (972677479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105586 + ... + 114427.

It is an arithmetic number, because the mean of its divisors is an integer number (243225477).

Almost surely, 2^972677473 is an apocalyptic number.

It is an amenable number.

972677473 is a deficient number, since it is larger than the sum of its proper divisors (224435).

972677473 is a wasteful number, since it uses less digits than its factorization.

972677473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224434.

The product of its digits is 3111696, while the sum is 52.

The square root of 972677473 is about 31187.7776220108. Note that the first 3 decimals coincide. The cubic root of 972677473 is about 990.8082618131.

The spelling of 972677473 in words is "nine hundred seventy-two million, six hundred seventy-seven thousand, four hundred seventy-three".