690194675 has 6 divisors (see below), whose sum is σ = 855841428. Its totient is φ = 552155720.

The previous prime is 690194669. The next prime is 690194683. The reversal of 690194675 is 576491096.

It is not a de Polignac number, because 690194675 - 2¹⁸ = 689932531 is a prime.

It is a Duffinian number.

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, 13803869 + ... + 13803918.

It is an arithmetic number, because the mean of its divisors is an integer number (142640238).

Almost surely, 2^690194675 is an apocalyptic number.

690194675 is a deficient number, since it is larger than the sum of its proper divisors (165646753).

690194675 is a wasteful number, since it uses less digits than its factorization.

690194675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27607797 (or 27607792 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 690194675 is about 26271.5563870891. The cubic root of 690194675 is about 883.7386886059.

The spelling of 690194675 in words is "six hundred ninety million, one hundred ninety-four thousand, six hundred seventy-five".