697144752 has 40 divisors (see below), whose sum is σ = 2001064880. Its totient is φ = 232381440.

The previous prime is 697144741. The next prime is 697144769. The reversal of 697144752 is 257441796.

It is a super-2 number, since 2×697144752² = 972021610482283008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 697144698 and 697144707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806449 + ... + 807312.

It is an arithmetic number, because the mean of its divisors is an integer number (50026622).

Almost surely, 2^697144752 is an apocalyptic number.

It is an amenable number.

697144752 is an abundant number, since it is smaller than the sum of its proper divisors (1303920128).

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

697144752 is a wasteful number, since it uses less digits than its factorization.

697144752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613778 (or 1613766 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 697144752 is about 26403.4988590528. The cubic root of 697144752 is about 886.6951251222.

The spelling of 697144752 in words is "six hundred ninety-seven million, one hundred forty-four thousand, seven hundred fifty-two".