7382420667172 has 6 divisors (see below), whose sum is σ = 12919236167558. Its totient is φ = 3691210333584.

The previous prime is 7382420667161. The next prime is 7382420667221. The reversal of 7382420667172 is 2717660242837.

It can be written as a sum of positive squares in only one way, i.e., 6021595763236 + 1360824903936 = 2453894^2 + 1166544^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 922802583393 + ... + 922802583400.

Almost surely, 2^{7382420667172} is an apocalyptic number.

It is an amenable number.

7382420667172 is a deficient number, since it is larger than the sum of its proper divisors (5536815500386).

7382420667172 is a wasteful number, since it uses less digits than its factorization.

7382420667172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845605166797 (or 1845605166795 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 7382420667172 in words is "seven trillion, three hundred eighty-two billion, four hundred twenty million, six hundred sixty-seven thousand, one hundred seventy-two".