694205064 has 96 divisors (see below), whose sum is σ = 2275153920. Its totient is φ = 186674688.

The previous prime is 694205053. The next prime is 694205119. The reversal of 694205064 is 460502496.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31944 + ... + 49079.

It is an arithmetic number, because the mean of its divisors is an integer number (23699520).

Almost surely, 2^694205064 is an apocalyptic number.

It is an amenable number.

694205064 is an abundant number, since it is smaller than the sum of its proper divisors (1580948856).

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

694205064 is a wasteful number, since it uses less digits than its factorization.

694205064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81059 (or 81052 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 694205064 is about 26347.7715186693. The cubic root of 694205064 is about 885.4470440861.

The spelling of 694205064 in words is "six hundred ninety-four million, two hundred five thousand, sixty-four".