7972993 has 4 divisors (see below), whose sum is σ = 9112000. Its totient is φ = 6833988.

The previous prime is 7972969. The next prime is 7973047. The reversal of 7972993 is 3992797.

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.

It is not a de Polignac number, because 7972993 - 2¹⁷ = 7841921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7972903) 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, 569493 + ... + 569506.

It is an arithmetic number, because the mean of its divisors is an integer number (2278000).

Almost surely, 2^7972993 is an apocalyptic number.

It is an amenable number.

7972993 is a deficient number, since it is larger than the sum of its proper divisors (1139007).

7972993 is a wasteful number, since it uses less digits than its factorization.

7972993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139006.

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

The square root of 7972993 is about 2823.6488804382. The cubic root of 7972993 is about 199.7746879343.

The spelling of 7972993 in words is "seven million, nine hundred seventy-two thousand, nine hundred ninety-three".