696867840 has 264 divisors, whose sum is σ = 2511914640. Its totient is φ = 183214080.

The previous prime is 696867827. The next prime is 696867841. The reversal of 696867840 is 48768696.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696867841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9815005 + ... + 9815075.

Almost surely, 2^696867840 is an apocalyptic number.

696867840 is a gapful number since it is divisible by the number (60) 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 696867840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255957320).

696867840 is an abundant number, since it is smaller than the sum of its proper divisors (1815046800).

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

696867840 is an equidigital number, since it uses as much as digits as its factorization.

696867840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 696867840 is about 26398.2544877498. The cubic root of 696867840 is about 886.5777085519.

The spelling of 696867840 in words is "six hundred ninety-six million, eight hundred sixty-seven thousand, eight hundred forty".