7140879 has 20 divisors (see below), whose sum is σ = 11133936. Its totient is φ = 4552416.

The previous prime is 7140863. The next prime is 7140883. The reversal of 7140879 is 9780417.

It is not a de Polignac number, because 7140879 - 2⁴ = 7140863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140899) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54 + ... + 3779.

Almost surely, 2^7140879 is an apocalyptic number.

7140879 is a deficient number, since it is larger than the sum of its proper divisors (3993057).

7140879 is a wasteful number, since it uses less digits than its factorization.

7140879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 7140879 is about 2672.2423168568. The cubic root of 7140879 is about 192.5678986881.

The spelling of 7140879 in words is "seven million, one hundred forty thousand, eight hundred seventy-nine".