1797535172 has 12 divisors (see below), whose sum is σ = 3154260480. Its totient is φ = 896317896.

The previous prime is 1797535153. The next prime is 1797535213. The reversal of 1797535172 is 2715357971.

It is a happy number.

It is a super-2 number, since 2×1797535172² = 6462265389154139168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610772 + ... + 613707.

It is an arithmetic number, because the mean of its divisors is an integer number (262855040).

Almost surely, 2^1797535172 is an apocalyptic number.

It is an amenable number.

1797535172 is a deficient number, since it is larger than the sum of its proper divisors (1356725308).

1797535172 is a wasteful number, since it uses less digits than its factorization.

1797535172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224850 (or 1224848 counting only the distinct ones).

The product of its digits is 463050, while the sum is 47.

The square root of 1797535172 is about 42397.3486435178. The cubic root of 1797535172 is about 1215.8849017112.

The spelling of 1797535172 in words is "one billion, seven hundred ninety-seven million, five hundred thirty-five thousand, one hundred seventy-two".