732405968 has 80 divisors (see below), whose sum is σ = 1726675200. Its totient is φ = 293787648.

The previous prime is 732405943. The next prime is 732405979. The reversal of 732405968 is 869504237.

It is a Cunningham number, because it is equal to 27063²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377930 + ... + 379862.

It is an arithmetic number, because the mean of its divisors is an integer number (21583440).

Almost surely, 2^732405968 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 732405968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863337600).

732405968 is an abundant number, since it is smaller than the sum of its proper divisors (994269232).

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

732405968 is a wasteful number, since it uses less digits than its factorization.

732405968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 732405968 is about 27062.9999815246. Note that the first 4 decimals coincide. The cubic root of 732405968 is about 901.3994557092.

The spelling of 732405968 in words is "seven hundred thirty-two million, four hundred five thousand, nine hundred sixty-eight".