9973792 has 12 divisors (see below), whose sum is σ = 19635966. Its totient is φ = 4986880.

The previous prime is 9973763. The next prime is 9973793. The reversal of 9973792 is 2973799.

It can be written as a sum of positive squares in only one way, i.e., 9960336 + 13456 = 3156^2 + 116^2 .

It is a super-3 number, since 3×9973792³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9973793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155809 + ... + 155872.

Almost surely, 2^9973792 is an apocalyptic number.

It is an amenable number.

9973792 is a deficient number, since it is larger than the sum of its proper divisors (9662174).

9973792 is a wasteful number, since it uses less digits than its factorization.

9973792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311691 (or 311683 counting only the distinct ones).

The product of its digits is 214326, while the sum is 46.

The square root of 9973792 is about 3158.1310929092. The cubic root of 9973792 is about 215.2550929274.

The spelling of 9973792 in words is "nine million, nine hundred seventy-three thousand, seven hundred ninety-two".