731741664 has 96 divisors (see below), whose sum is σ = 1985727744. Its totient is φ = 235791360.

The previous prime is 731741663. The next prime is 731741671. The reversal of 731741664 is 466147137.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731741663) 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, 424324 + ... + 426044.

It is an arithmetic number, because the mean of its divisors is an integer number (20684664).

Almost surely, 2^731741664 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 731741664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992863872).

731741664 is an abundant number, since it is smaller than the sum of its proper divisors (1253986080).

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

731741664 is a wasteful number, since it uses less digits than its factorization.

731741664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1872 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 731741664 is about 27050.7239089825. The cubic root of 731741664 is about 901.1268453342.

The spelling of 731741664 in words is "seven hundred thirty-one million, seven hundred forty-one thousand, six hundred sixty-four".