732136064 has 64 divisors (see below), whose sum is σ = 1621334880. Its totient is φ = 326476800.

The previous prime is 732136037. The next prime is 732136073. The reversal of 732136064 is 460631237.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 732136064.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69719 + ... + 79529.

Almost surely, 2^732136064 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 732136064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810667440).

732136064 is an abundant number, since it is smaller than the sum of its proper divisors (889198816).

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

732136064 is a wasteful number, since it uses less digits than its factorization.

732136064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889 (or 9877 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 732136064 is about 27058.0129351732. The cubic root of 732136064 is about 901.2887151176.

The spelling of 732136064 in words is "seven hundred thirty-two million, one hundred thirty-six thousand, sixty-four".