697265560 has 64 divisors (see below), whose sum is σ = 1636070400. Its totient is φ = 267111936.

The previous prime is 697265551. The next prime is 697265573. The reversal of 697265560 is 65562796.

It is a super-2 number, since 2×697265560² = 972358522324227200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 697265560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144954 + ... + 149686.

It is an arithmetic number, because the mean of its divisors is an integer number (25563600).

Almost surely, 2^697265560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697265560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818035200).

697265560 is an abundant number, since it is smaller than the sum of its proper divisors (938804840).

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

697265560 is a wasteful number, since it uses less digits than its factorization.

697265560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900 (or 4896 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 697265560 is about 26405.7864870562. The cubic root of 697265560 is about 886.7463405393.

The spelling of 697265560 in words is "six hundred ninety-seven million, two hundred sixty-five thousand, five hundred sixty".