697371136 has 240 divisors, whose sum is σ = 1870862400. Its totient is φ = 257402880.

The previous prime is 697371083. The next prime is 697371179. The reversal of 697371136 is 631173796.

It is a junction number, because it is equal to n+sod(n) for n = 697371092 and 697371101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36703735 + ... + 36703753.

It is an arithmetic number, because the mean of its divisors is an integer number (7795260).

Almost surely, 2^697371136 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 697371136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935431200).

697371136 is an abundant number, since it is smaller than the sum of its proper divisors (1173491264).

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

697371136 is an equidigital number, since it uses as much as digits as its factorization.

697371136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 39 counting only the distinct ones).

The product of its digits is 142884, while the sum is 43.

The square root of 697371136 is about 26407.7855186685. The cubic root of 697371136 is about 886.7910936493.

The spelling of 697371136 in words is "six hundred ninety-seven million, three hundred seventy-one thousand, one hundred thirty-six".