690967068 has 24 divisors (see below), whose sum is σ = 1758825600. Its totient is φ = 209383920.

The previous prime is 690967063. The next prime is 690967093. The reversal of 690967068 is 860769096.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 690967068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690967063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2617168 + ... + 2617431.

It is an arithmetic number, because the mean of its divisors is an integer number (73284400).

Almost surely, 2^690967068 is an apocalyptic number.

It is an amenable number.

690967068 is an abundant number, since it is smaller than the sum of its proper divisors (1067858532).

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

690967068 is a wasteful number, since it uses less digits than its factorization.

690967068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234617 (or 5234615 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 690967068 is about 26286.2524525654. The cubic root of 690967068 is about 884.0682280489.

The spelling of 690967068 in words is "six hundred ninety million, nine hundred sixty-seven thousand, sixty-eight".