732604616640 has 1680 divisors, whose sum is σ = 2996638761600. Its totient is φ = 169556115456.

The previous prime is 732604616633. The next prime is 732604616647. The reversal of 732604616640 is 46616406237.

It is a happy number.

732604616640 is a `hidden beast` number, since 7 + 3 + 26 + 0 + 4 + 616 + 6 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (732604616633) and next prime (732604616647).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732604616647) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 9273476121 + ... + 9273476199.

Almost surely, 2^732604616640 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 732604616640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498319380800).

732604616640 is an abundant number, since it is smaller than the sum of its proper divisors (2264034144960).

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

732604616640 is a wasteful number, since it uses less digits than its factorization.

732604616640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 732604616640 in words is "seven hundred thirty-two billion, six hundred four million, six hundred sixteen thousand, six hundred forty".