696090624 has 128 divisors (see below), whose sum is σ = 1901039280. Its totient is φ = 226492416.

The previous prime is 696090623. The next prime is 696090641. The reversal of 696090624 is 426090696.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696090623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7176144 + ... + 7176240.

Almost surely, 2^696090624 is an apocalyptic number.

696090624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696090624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950519640).

696090624 is an abundant number, since it is smaller than the sum of its proper divisors (1204948656).

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

696090624 is an frugal number, since it uses more digits than its factorization.

696090624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 696090624 is about 26383.5294075679. The cubic root of 696090624 is about 886.2479862001.

The spelling of 696090624 in words is "six hundred ninety-six million, ninety thousand, six hundred twenty-four".