694416672 has 96 divisors (see below), whose sum is σ = 2074887360. Its totient is φ = 225815040.

The previous prime is 694416659. The next prime is 694416673. The reversal of 694416672 is 276614496.

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 (694416673) 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, 25623 + ... + 45225.

It is an arithmetic number, because the mean of its divisors is an integer number (21613410).

Almost surely, 2^694416672 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 694416672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037443680).

694416672 is an abundant number, since it is smaller than the sum of its proper divisors (1380470688).

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

694416672 is a wasteful number, since it uses less digits than its factorization.

694416672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19663 (or 19649 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 694416672 is about 26351.7868843841. The cubic root of 694416672 is about 885.5370024444.

The spelling of 694416672 in words is "six hundred ninety-four million, four hundred sixteen thousand, six hundred seventy-two".