7172214730 has 16 divisors (see below), whose sum is σ = 12943181160. Its totient is φ = 2861509312.

The previous prime is 7172214719. The next prime is 7172214737. The reversal of 7172214730 is 374122717.

It can be written as a sum of positive squares in 4 ways, for example, as 6364688841 + 807525889 = 79779^2 + 28417^2 .

It is not an unprimeable number, because it can be changed into a prime (7172214737) 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, 917989 + ... + 925768.

Almost surely, 2^7172214730 is an apocalyptic number.

7172214730 is a deficient number, since it is larger than the sum of its proper divisors (5770966430).

7172214730 is a wasteful number, since it uses less digits than its factorization.

7172214730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844153.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 7172214730 is about 84688.9292056524. The cubic root of 7172214730 is about 1928.4916427611.

The spelling of 7172214730 in words is "seven billion, one hundred seventy-two million, two hundred fourteen thousand, seven hundred thirty".