690043072000 has 160 divisors (see below), whose sum is σ = 1722377109024. Its totient is φ = 275742720000.

The previous prime is 690043071973. The next prime is 690043072007. The reversal of 690043072000 is 270340096.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690043072007) 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, 71867200 + ... + 71876800.

Almost surely, 2^690043072000 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 690043072000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861188554512).

690043072000 is an abundant number, since it is smaller than the sum of its proper divisors (1032334037024).

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

690043072000 is an equidigital number, since it uses as much as digits as its factorization.

690043072000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757 (or 10731 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 690043072000 in words is "six hundred ninety billion, forty-three million, seventy-two thousand".