697240536 has 32 divisors (see below), whose sum is σ = 1743768000. Its totient is φ = 232324640.

The previous prime is 697240529. The next prime is 697240573. The reversal of 697240536 is 635042796.

697240536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×697240536² = 972288730083134592, which contains 22 as substring.

It is a congruent number.

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, 97615 + ... + 104513.

It is an arithmetic number, because the mean of its divisors is an integer number (54492750).

Almost surely, 2^697240536 is an apocalyptic number.

It is an amenable number.

697240536 is an abundant number, since it is smaller than the sum of its proper divisors (1046527464).

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

697240536 is a wasteful number, since it uses less digits than its factorization.

697240536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119 (or 11115 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 697240536 is about 26405.3126472685. The cubic root of 697240536 is about 886.7357323353.

The spelling of 697240536 in words is "six hundred ninety-seven million, two hundred forty thousand, five hundred thirty-six".