697227264 has 168 divisors, whose sum is σ = 2094690780. Its totient is φ = 231911424.

The previous prime is 697227247. The next prime is 697227269. The reversal of 697227264 is 462722796.

It is a super-2 number, since 2×697227264² = 972251715329851392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697227269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1492759 + ... + 1493225.

Almost surely, 2^697227264 is an apocalyptic number.

697227264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697227264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047345390).

697227264 is an abundant number, since it is smaller than the sum of its proper divisors (1397463516).

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

697227264 is an frugal number, since it uses more digits than its factorization.

697227264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 472 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 697227264 is about 26405.0613330096. The cubic root of 697227264 is about 886.7301059502.

The spelling of 697227264 in words is "six hundred ninety-seven million, two hundred twenty-seven thousand, two hundred sixty-four".