7912993 has 8 divisors (see below), whose sum is σ = 8673120. Its totient is φ = 7159680.

The previous prime is 7912991. The next prime is 7912999. The reversal of 7912993 is 3992197.

7912993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7912993 - 2¹ = 7912991 is a prime.

It is a Duffinian number.

7912993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7912991) 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, 913 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (1084140).

Almost surely, 2^7912993 is an apocalyptic number.

It is an amenable number.

7912993 is a deficient number, since it is larger than the sum of its proper divisors (760127).

7912993 is a wasteful number, since it uses less digits than its factorization.

7912993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407.

The product of its digits is 30618, while the sum is 40.

The square root of 7912993 is about 2813.0042659050. The cubic root of 7912993 is about 199.2722971206.

The spelling of 7912993 in words is "seven million, nine hundred twelve thousand, nine hundred ninety-three".