1797471132 has 48 divisors (see below), whose sum is σ = 4475842560. Its totient is φ = 559464192.

The previous prime is 1797471131. The next prime is 1797471173. The reversal of 1797471132 is 2311747971.

It is a super-2 number, since 2×1797471132² = 6461804940746722848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797471131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8782 + ... + 60597.

It is an arithmetic number, because the mean of its divisors is an integer number (93246720).

Almost surely, 2^1797471132 is an apocalyptic number.

1797471132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1797471132 is an abundant number, since it is smaller than the sum of its proper divisors (2678371428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1797471132 is a wasteful number, since it uses less digits than its factorization.

1797471132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69530 (or 69528 counting only the distinct ones).

The product of its digits is 74088, while the sum is 42.

The square root of 1797471132 is about 42396.5934008854. The cubic root of 1797471132 is about 1215.8704622731.

The spelling of 1797471132 in words is "one billion, seven hundred ninety-seven million, four hundred seventy-one thousand, one hundred thirty-two".