7798172 has 12 divisors (see below), whose sum is σ = 14449680. Its totient is φ = 3669696.

The previous prime is 7798171. The next prime is 7798199. The reversal of 7798172 is 2718977.

It is a super-2 number, since 2×7798172² = 121622973083168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7798171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57272 + ... + 57407.

It is an arithmetic number, because the mean of its divisors is an integer number (1204140).

Almost surely, 2^7798172 is an apocalyptic number.

It is an amenable number.

7798172 is a deficient number, since it is larger than the sum of its proper divisors (6651508).

7798172 is a wasteful number, since it uses less digits than its factorization.

7798172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114700 (or 114698 counting only the distinct ones).

The product of its digits is 49392, while the sum is 41.

The square root of 7798172 is about 2792.5207250798. The cubic root of 7798172 is about 198.3037544258.

The spelling of 7798172 in words is "seven million, seven hundred ninety-eight thousand, one hundred seventy-two".