690602734080 has 1920 divisors, whose sum is σ = 3165817374720. Its totient is φ = 140460687360.

The previous prime is 690602734079. The next prime is 690602734093. The reversal of 690602734080 is 80437206096.

690602734080 is a `hidden beast` number, since 6 + 9 + 0 + 602 + 7 + 34 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 191 ways as a sum of consecutive naturals, for example, 1406522635 + ... + 1406523125.

It is an arithmetic number, because the mean of its divisors is an integer number (1648863216).

Almost surely, 2^690602734080 is an apocalyptic number.

690602734080 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 690602734080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582908687360).

690602734080 is an abundant number, since it is smaller than the sum of its proper divisors (2475214640640).

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

690602734080 is a wasteful number, since it uses less digits than its factorization.

690602734080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 690602734080 in words is "six hundred ninety billion, six hundred two million, seven hundred thirty-four thousand, eighty".