690574304 has 96 divisors (see below), whose sum is σ = 1645459200. Its totient is φ = 278691840.

The previous prime is 690574231. The next prime is 690574309. The reversal of 690574304 is 403475096.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690574309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 897632 + ... + 898400.

It is an arithmetic number, because the mean of its divisors is an integer number (17140200).

Almost surely, 2^690574304 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 690574304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822729600).

690574304 is an abundant number, since it is smaller than the sum of its proper divisors (954884896).

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

690574304 is a wasteful number, since it uses less digits than its factorization.

690574304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 690574304 is about 26278.7804892084. The cubic root of 690574304 is about 883.9006870270.

The spelling of 690574304 in words is "six hundred ninety million, five hundred seventy-four thousand, three hundred four".