694274688 has 96 divisors (see below), whose sum is σ = 2084790240. Its totient is φ = 221354496.

The previous prime is 694274683. The next prime is 694274723. The reversal of 694274688 is 886472496.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (694274683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13395 + ... + 39597.

It is an arithmetic number, because the mean of its divisors is an integer number (21716565).

Almost surely, 2^694274688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694274688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042395120).

694274688 is an abundant number, since it is smaller than the sum of its proper divisors (1390515552).

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

694274688 is a wasteful number, since it uses less digits than its factorization.

694274688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246 (or 26231 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 694274688 is about 26349.0927358040. The cubic root of 694274688 is about 885.4766445156.

The spelling of 694274688 in words is "six hundred ninety-four million, two hundred seventy-four thousand, six hundred eighty-eight".