697340736 has 84 divisors (see below), whose sum is σ = 2104034400. Its totient is φ = 220209408.

The previous prime is 697340713. The next prime is 697340767. The reversal of 697340736 is 637043796.

It is a junction number, because it is equal to n+sod(n) for n = 697340691 and 697340700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20916 + ... + 42803.

Almost surely, 2^697340736 is an apocalyptic number.

It is an amenable number.

697340736 is an abundant number, since it is smaller than the sum of its proper divisors (1406693664).

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

697340736 is a wasteful number, since it uses less digits than its factorization.

697340736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63756 (or 63743 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 697340736 is about 26407.2099245642. The cubic root of 697340736 is about 886.7782077126.

The spelling of 697340736 in words is "six hundred ninety-seven million, three hundred forty thousand, seven hundred thirty-six".