7979213270 has 32 divisors (see below), whose sum is σ = 16573759488. Its totient is φ = 2709167328.

The previous prime is 7979213261. The next prime is 7979213273. The reversal of 7979213270 is 723129797.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7979213273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546134 + ... + 560553.

It is an arithmetic number, because the mean of its divisors is an integer number (517929984).

Almost surely, 2^7979213270 is an apocalyptic number.

7979213270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7979213270 is an abundant number, since it is smaller than the sum of its proper divisors (8594546218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7979213270 is a wasteful number, since it uses less digits than its factorization.

7979213270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106804.

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 7979213270 is about 89326.4421657999. The cubic root of 7979213270 is about 1998.2662700245.

The spelling of 7979213270 in words is "seven billion, nine hundred seventy-nine million, two hundred thirteen thousand, two hundred seventy".