1068694992 has 80 divisors (see below), whose sum is σ = 3166543360. Its totient is φ = 344736000.

The previous prime is 1068694973. The next prime is 1068695009. The reversal of 1068694992 is 2994968601.

It is a super-2 number, since 2×1068694992² = 2284217971851760128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 26509 + ... + 53292.

It is an arithmetic number, because the mean of its divisors is an integer number (39581792).

Almost surely, 2^1068694992 is an apocalyptic number.

1068694992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1068694992 is an abundant number, since it is smaller than the sum of its proper divisors (2097848368).

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

1068694992 is a wasteful number, since it uses less digits than its factorization.

1068694992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79849 (or 79837 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 1068694992 is about 32690.9007523500. The cubic root of 1068694992 is about 1022.3931351343.

The spelling of 1068694992 in words is "one billion, sixty-eight million, six hundred ninety-four thousand, nine hundred ninety-two".