690740000 has 60 divisors (see below), whose sum is σ = 1699373214. Its totient is φ = 276288000.

The previous prime is 690739999. The next prime is 690740021. The reversal of 690740000 is 47096.

It can be written as a sum of positive squares in 5 ways, for example, as 3671056 + 687068944 = 1916^2 + 26212^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2732 + ... + 37268.

Almost surely, 2^690740000 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 690740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849686607).

690740000 is an abundant number, since it is smaller than the sum of its proper divisors (1008633214).

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

690740000 is an equidigital number, since it uses as much as digits as its factorization.

690740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34567 (or 34544 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 690740000 is about 26281.9329578325. The cubic root of 690740000 is about 883.9713755806.

Adding to 690740000 its reverse (47096), we get a palindrome (690787096).

The spelling of 690740000 in words is "six hundred ninety million, seven hundred forty thousand".