697749000 has 128 divisors (see below), whose sum is σ = 2344567680. Its totient is φ = 171744000.

The previous prime is 697748957. The next prime is 697749001. The reversal of 697749000 is 947796.

It is not an unprimeable number, because it can be changed into a prime (697749001) 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, 30055 + ... + 47945.

It is an arithmetic number, because the mean of its divisors is an integer number (18316935).

Almost surely, 2^697749000 is an apocalyptic number.

697749000 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 697749000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172283840).

697749000 is an abundant number, since it is smaller than the sum of its proper divisors (1646818680).

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

697749000 is a wasteful number, since it uses less digits than its factorization.

697749000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17928 (or 17914 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 697749000 is about 26414.9389550686. The cubic root of 697749000 is about 886.9512312048.

The spelling of 697749000 in words is "six hundred ninety-seven million, seven hundred forty-nine thousand".