696634540 has 48 divisors (see below), whose sum is σ = 1673888832. Its totient is φ = 238565376.

The previous prime is 696634531. The next prime is 696634541. The reversal of 696634540 is 45436696.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (696634541) 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, 142212 + ... + 147028.

It is an arithmetic number, because the mean of its divisors is an integer number (34872684).

Almost surely, 2^696634540 is an apocalyptic number.

It is an amenable number.

696634540 is an abundant number, since it is smaller than the sum of its proper divisors (977254292).

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

696634540 is a wasteful number, since it uses less digits than its factorization.

696634540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5866 (or 5864 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 696634540 is about 26393.8352650766. The cubic root of 696634540 is about 886.4787602512.

The spelling of 696634540 in words is "six hundred ninety-six million, six hundred thirty-four thousand, five hundred forty".