973131937 has 4 divisors (see below), whose sum is σ = 982226736. Its totient is φ = 964037140.

The previous prime is 973131877. The next prime is 973131941. The reversal of 973131937 is 739131379.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 739131379 = 7 ⋅105590197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-973131937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 973131893 and 973131902.

It is not an unprimeable number, because it can be changed into a prime (973131947) 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, 4547239 + ... + 4547452.

It is an arithmetic number, because the mean of its divisors is an integer number (245556684).

Almost surely, 2^973131937 is an apocalyptic number.

It is an amenable number.

973131937 is a deficient number, since it is larger than the sum of its proper divisors (9094799).

973131937 is a wasteful number, since it uses less digits than its factorization.

973131937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9094798.

The product of its digits is 107163, while the sum is 43.

The square root of 973131937 is about 31195.0627022931. The cubic root of 973131937 is about 990.9625495352.

The spelling of 973131937 in words is "nine hundred seventy-three million, one hundred thirty-one thousand, nine hundred thirty-seven".