697397748 has 24 divisors (see below), whose sum is σ = 1628783520. Its totient is φ = 232248480.

The previous prime is 697397747. The next prime is 697397777. The reversal of 697397748 is 847793796.

697397748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 697397691 and 697397700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697397747) 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, 13543 + ... + 39726.

It is an arithmetic number, because the mean of its divisors is an integer number (67865980).

Almost surely, 2^697397748 is an apocalyptic number.

It is an amenable number.

697397748 is an abundant number, since it is smaller than the sum of its proper divisors (931385772).

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

697397748 is a wasteful number, since it uses less digits than its factorization.

697397748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54367 (or 54365 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 60.

The square root of 697397748 is about 26408.2893804199. The cubic root of 697397748 is about 886.8023736231.

The spelling of 697397748 in words is "six hundred ninety-seven million, three hundred ninety-seven thousand, seven hundred forty-eight".