730263168 has 128 divisors (see below), whose sum is σ = 2173089600. Its totient is φ = 241413120.

The previous prime is 730263151. The next prime is 730263199. The reversal of 730263168 is 861362037.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 451930 + ... + 453542.

Almost surely, 2^730263168 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 730263168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086544800).

730263168 is an abundant number, since it is smaller than the sum of its proper divisors (1442826432).

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

730263168 is a wasteful number, since it uses less digits than its factorization.

730263168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 730263168 is about 27023.3818757016. The cubic root of 730263168 is about 900.5195222719.

The spelling of 730263168 in words is "seven hundred thirty million, two hundred sixty-three thousand, one hundred sixty-eight".