697492080 has 160 divisors (see below), whose sum is σ = 2427969600. Its totient is φ = 184025088.

The previous prime is 697492073. The next prime is 697492087. The reversal of 697492080 is 80294796.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (697492073) and next prime (697492087).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697492087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207856 + ... + 211184.

It is an arithmetic number, because the mean of its divisors is an integer number (15174810).

Almost surely, 2^697492080 is an apocalyptic number.

697492080 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 697492080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1213984800).

697492080 is an abundant number, since it is smaller than the sum of its proper divisors (1730477520).

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

697492080 is a wasteful number, since it uses less digits than its factorization.

697492080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 697492080 is about 26410.0753501386. The cubic root of 697492080 is about 886.8423556230.

The spelling of 697492080 in words is "six hundred ninety-seven million, four hundred ninety-two thousand, eighty".