731301768 has 36 divisors (see below), whose sum is σ = 1981230615. Its totient is φ = 243690768.

The previous prime is 731301757. The next prime is 731301797. The reversal of 731301768 is 867103137.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

731301768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 365650884 + 365650884 = 19122^2 + 19122^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=19122.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 227871 + ... + 231057.

Almost surely, 2^731301768 is an apocalyptic number.

It is an amenable number.

731301768 is an abundant number, since it is smaller than the sum of its proper divisors (1249928847).

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

731301768 is an equidigital number, since it uses as much as digits as its factorization.

731301768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 731301768 is about 27042.5917396983. The cubic root of 731301768 is about 900.9462344370.

The spelling of 731301768 in words is "seven hundred thirty-one million, three hundred one thousand, seven hundred sixty-eight".