696578723 has 12 divisors (see below), whose sum is σ = 741257640. Its totient is φ = 654458112.

The previous prime is 696578677. The next prime is 696578749. The reversal of 696578723 is 327875696.

It is not a de Polignac number, because 696578723 - 2²⁶ = 629469859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696578923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195623 + ... + 199151.

It is an arithmetic number, because the mean of its divisors is an integer number (61771470).

Almost surely, 2^696578723 is an apocalyptic number.

696578723 is a deficient number, since it is larger than the sum of its proper divisors (44678917).

696578723 is a wasteful number, since it uses less digits than its factorization.

696578723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4229 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 53.

The square root of 696578723 is about 26392.7778568305. Note that the first 3 decimals coincide. The cubic root of 696578723 is about 886.4550836060.

The spelling of 696578723 in words is "six hundred ninety-six million, five hundred seventy-eight thousand, seven hundred twenty-three".