688772094 has 32 divisors (see below), whose sum is σ = 1419737760. Its totient is φ = 222602112.

The previous prime is 688772093. The next prime is 688772101. The reversal of 688772094 is 490277886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688772093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59752 + ... + 70340.

It is an arithmetic number, because the mean of its divisors is an integer number (44366805).

Almost surely, 2^688772094 is an apocalyptic number.

688772094 is an abundant number, since it is smaller than the sum of its proper divisors (730965666).

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

688772094 is a wasteful number, since it uses less digits than its factorization.

688772094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 688772094 is about 26244.4678742016. The cubic root of 688772094 is about 883.1311041821.

The spelling of 688772094 in words is "six hundred eighty-eight million, seven hundred seventy-two thousand, ninety-four".