7940079 has 32 divisors (see below), whose sum is σ = 13770240. Its totient is φ = 4427136.

The previous prime is 7940077. The next prime is 7940087. The reversal of 7940079 is 9700497.

7940079 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7940079 - 2¹ = 7940077 is a prime.

It is a super-3 number, since 3×7940079³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7639 + ... + 8615.

It is an arithmetic number, because the mean of its divisors is an integer number (430320).

Almost surely, 2^7940079 is an apocalyptic number.

7940079 is a deficient number, since it is larger than the sum of its proper divisors (5830161).

7940079 is a wasteful number, since it uses less digits than its factorization.

7940079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 7940079 is about 2817.8145787117. The cubic root of 7940079 is about 199.4994064090.

The spelling of 7940079 in words is "seven million, nine hundred forty thousand, seventy-nine".