690543360 has 576 divisors, whose sum is σ = 2781475200. Its totient is φ = 161021952.

The previous prime is 690543341. The next prime is 690543367. The reversal of 690543360 is 63345096.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (690543367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13029094 + ... + 13029146.

It is an arithmetic number, because the mean of its divisors is an integer number (4828950).

Almost surely, 2^690543360 is an apocalyptic number.

690543360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690543360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390737600).

690543360 is an abundant number, since it is smaller than the sum of its proper divisors (2090931840).

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

690543360 is a wasteful number, since it uses less digits than its factorization.

690543360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 690543360 is about 26278.1917186096. The cubic root of 690543360 is about 883.8874845706.

The spelling of 690543360 in words is "six hundred ninety million, five hundred forty-three thousand, three hundred sixty".