690625700 has 18 divisors (see below), whose sum is σ = 1498657986. Its totient is φ = 276250240.

The previous prime is 690625693. The next prime is 690625711. The reversal of 690625700 is 7526096.

It can be written as a sum of positive squares in 3 ways, for example, as 92416 + 690533284 = 304^2 + 26278^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3453029 + ... + 3453228.

It is an arithmetic number, because the mean of its divisors is an integer number (83258777).

Almost surely, 2^690625700 is an apocalyptic number.

It is an amenable number.

690625700 is an abundant number, since it is smaller than the sum of its proper divisors (808032286).

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

690625700 is a wasteful number, since it uses less digits than its factorization.

690625700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906271 (or 6906264 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 690625700 is about 26279.7583702743. The cubic root of 690625700 is about 883.9226145891.

The spelling of 690625700 in words is "six hundred ninety million, six hundred twenty-five thousand, seven hundred".