690670000 has 50 divisors (see below), whose sum is σ = 1672205348. Its totient is φ = 276264000.

The previous prime is 690669961. The next prime is 690670021. The reversal of 690670000 is 76096.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 24534 + ... + 44533.

Almost surely, 2^690670000 is an apocalyptic number.

It is an amenable number.

690670000 is an abundant number, since it is smaller than the sum of its proper divisors (981535348).

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

690670000 is an equidigital number, since it uses as much as digits as its factorization.

690670000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69095 (or 69074 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 690670000 is about 26280.6012107790. The cubic root of 690670000 is about 883.9415138445.

The spelling of 690670000 in words is "six hundred ninety million, six hundred seventy thousand".