690085760 has 384 divisors, whose sum is σ = 2209515840. Its totient is φ = 200540160.

The previous prime is 690085751. The next prime is 690085787. The reversal of 690085760 is 67580096.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16831340 + ... + 16831380.

Almost surely, 2^690085760 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 690085760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104757920).

690085760 is an abundant number, since it is smaller than the sum of its proper divisors (1519430080).

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

690085760 is a wasteful number, since it uses less digits than its factorization.

690085760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 690085760 is about 26269.4834361089. The cubic root of 690085760 is about 883.6922005322.

The spelling of 690085760 in words is "six hundred ninety million, eighty-five thousand, seven hundred sixty".