1070840688 has 80 divisors (see below), whose sum is σ = 2862483456. Its totient is φ = 344597760.

The previous prime is 1070840677. The next prime is 1070840713. The reversal of 1070840688 is 8860480701.

It is a super-2 number, since 2×1070840688² = 2293399558152626688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006845 + ... + 1007907.

Almost surely, 2^1070840688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1070840688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431241728).

1070840688 is an abundant number, since it is smaller than the sum of its proper divisors (1791642768).

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

1070840688 is a wasteful number, since it uses less digits than its factorization.

1070840688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 1070840688 is about 32723.7022355356. The cubic root of 1070840688 is about 1023.0769218500.

The spelling of 1070840688 in words is "one billion, seventy million, eight hundred forty thousand, six hundred eighty-eight".