696319812 has 72 divisors (see below), whose sum is σ = 1863301440. Its totient is φ = 218877120.

The previous prime is 696319787. The next prime is 696319817. The reversal of 696319812 is 218913696.

It is a happy number.

696319812 is a `hidden beast` number, since 6 + 9 + 631 + 9 + 8 + 1 + 2 = 666.

It is a super-2 number, since 2×696319812² = 969722561167430688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (696319817) 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, 37137 + ... + 52647.

Almost surely, 2^696319812 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 696319812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931650720).

696319812 is an abundant number, since it is smaller than the sum of its proper divisors (1166981628).

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

696319812 is a wasteful number, since it uses less digits than its factorization.

696319812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15593 (or 15588 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 696319812 is about 26387.8724417108. The cubic root of 696319812 is about 886.3452413123.

The spelling of 696319812 in words is "six hundred ninety-six million, three hundred nineteen thousand, eight hundred twelve".