690062660 has 48 divisors (see below), whose sum is σ = 1660538880. Its totient is φ = 235966080.

The previous prime is 690062651. The next prime is 690062663. The reversal of 690062660 is 66260096.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 690062660.

It is not an unprimeable number, because it can be changed into a prime (690062663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48125 + ... + 60795.

It is an arithmetic number, because the mean of its divisors is an integer number (34594560).

Almost surely, 2^690062660 is an apocalyptic number.

It is an amenable number.

690062660 is an abundant number, since it is smaller than the sum of its proper divisors (970476220).

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

690062660 is a wasteful number, since it uses less digits than its factorization.

690062660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13076 (or 13074 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 690062660 is about 26269.0437587667. The cubic root of 690062660 is about 883.6823401551.

The spelling of 690062660 in words is "six hundred ninety million, sixty-two thousand, six hundred sixty".