1097072688 has 40 divisors (see below), whose sum is σ = 2874030336. Its totient is φ = 360539200.

The previous prime is 1097072659. The next prime is 1097072701. The reversal of 1097072688 is 8862707901.

It is a super-3 number, since 3×1097072688³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157548 + ... + 164363.

Almost surely, 2^1097072688 is an apocalyptic number.

It is an amenable number.

1097072688 is an abundant number, since it is smaller than the sum of its proper divisors (1776957648).

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

1097072688 is a wasteful number, since it uses less digits than its factorization.

1097072688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321993 (or 321987 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 1097072688 is about 33122.0876153663. The cubic root of 1097072688 is about 1031.3636031911.

The spelling of 1097072688 in words is "one billion, ninety-seven million, seventy-two thousand, six hundred eighty-eight".