690469120 has 288 divisors, whose sum is σ = 1986768000. Its totient is φ = 227082240.

The previous prime is 690469081. The next prime is 690469147. The reversal of 690469120 is 21964096.

690469120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 690469120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7758036 + ... + 7758124.

It is an arithmetic number, because the mean of its divisors is an integer number (6898500).

Almost surely, 2^690469120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690469120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993384000).

690469120 is an abundant number, since it is smaller than the sum of its proper divisors (1296298880).

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

690469120 is a wasteful number, since it uses less digits than its factorization.

690469120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 690469120 is about 26276.7791024699. The cubic root of 690469120 is about 883.8558079893.

The spelling of 690469120 in words is "six hundred ninety million, four hundred sixty-nine thousand, one hundred twenty".