694717644 has 12 divisors (see below), whose sum is σ = 1621007864. Its totient is φ = 231572544.

The previous prime is 694717643. The next prime is 694717697. The reversal of 694717644 is 446717496.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 694717593 and 694717602.

It is not an unprimeable number, because it can be changed into a prime (694717643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28946557 + ... + 28946580.

Almost surely, 2^694717644 is an apocalyptic number.

It is an amenable number.

694717644 is an abundant number, since it is smaller than the sum of its proper divisors (926290220).

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

694717644 is a wasteful number, since it uses less digits than its factorization.

694717644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57893144 (or 57893142 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 694717644 is about 26357.4969221282. The cubic root of 694717644 is about 885.6649195666.

The spelling of 694717644 in words is "six hundred ninety-four million, seven hundred seventeen thousand, six hundred forty-four".