694390068 has 72 divisors (see below), whose sum is σ = 1779523200. Its totient is φ = 228289536.

The previous prime is 694390061. The next prime is 694390069. The reversal of 694390068 is 860093496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694390061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 965413 + ... + 966131.

It is an arithmetic number, because the mean of its divisors is an integer number (24715600).

Almost surely, 2^694390068 is an apocalyptic number.

It is an amenable number.

694390068 is an abundant number, since it is smaller than the sum of its proper divisors (1085133132).

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

694390068 is a wasteful number, since it uses less digits than its factorization.

694390068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 694390068 is about 26351.2820940462. The cubic root of 694390068 is about 885.5256936110.

The spelling of 694390068 in words is "six hundred ninety-four million, three hundred ninety thousand, sixty-eight".