997275732 has 24 divisors (see below), whose sum is σ = 2327853696. Its totient is φ = 332299968.

The previous prime is 997275731. The next prime is 997275733. The reversal of 997275732 is 237572799.

997275732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (997275731) and next prime (997275733).

It is a super-2 number, since 2×997275732² = 1989117771272271648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997275731) 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, 20928 + ... + 49320.

It is an arithmetic number, because the mean of its divisors is an integer number (96993904).

Almost surely, 2^997275732 is an apocalyptic number.

It is an amenable number.

997275732 is an abundant number, since it is smaller than the sum of its proper divisors (1330577964).

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

997275732 is a wasteful number, since it uses less digits than its factorization.

997275732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31327 (or 31325 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 51.

The square root of 997275732 is about 31579.6727658790. The cubic root of 997275732 is about 999.0910847901.

The spelling of 997275732 in words is "nine hundred ninety-seven million, two hundred seventy-five thousand, seven hundred thirty-two".