7394421171 has 16 divisors (see below), whose sum is σ = 9903480320. Its totient is φ = 4907532960.

The previous prime is 7394421163. The next prime is 7394421173. The reversal of 7394421171 is 1711244937.

It is not a de Polignac number, because 7394421171 - 2³ = 7394421163 is a prime.

It is a super-2 number, since 2×7394421171² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7394421173) 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, 722790 + ... + 732948.

It is an arithmetic number, because the mean of its divisors is an integer number (618967520).

Almost surely, 2^7394421171 is an apocalyptic number.

7394421171 is a deficient number, since it is larger than the sum of its proper divisors (2509059149).

7394421171 is a wasteful number, since it uses less digits than its factorization.

7394421171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226.

The product of its digits is 42336, while the sum is 39.

The square root of 7394421171 is about 85990.8202717011. The cubic root of 7394421171 is about 1948.2053328884.

The spelling of 7394421171 in words is "seven billion, three hundred ninety-four million, four hundred twenty-one thousand, one hundred seventy-one".