697489744 has 20 divisors (see below), whose sum is σ = 1544441824. Its totient is φ = 298924128.

The previous prime is 697489733. The next prime is 697489747. The reversal of 697489744 is 447984796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697489747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3113682 + ... + 3113905.

Almost surely, 2^697489744 is an apocalyptic number.

It is an amenable number.

697489744 is an abundant number, since it is smaller than the sum of its proper divisors (846952080).

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

697489744 is a wasteful number, since it uses less digits than its factorization.

697489744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227602 (or 6227596 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The square root of 697489744 is about 26410.0311245557. The cubic root of 697489744 is about 886.8413655682.

The spelling of 697489744 in words is "six hundred ninety-seven million, four hundred eighty-nine thousand, seven hundred forty-four".