730140768 has 216 divisors, whose sum is σ = 2494739520. Its totient is φ = 201761280.

The previous prime is 730140757. The next prime is 730140779. The reversal of 730140768 is 867041037.

It is an interprime number because it is at equal distance from previous prime (730140757) and next prime (730140779).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 436638 + ... + 438306.

It is an arithmetic number, because the mean of its divisors is an integer number (11549720).

Almost surely, 2^730140768 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 730140768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247369760).

730140768 is an abundant number, since it is smaller than the sum of its proper divisors (1764598752).

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

730140768 is a wasteful number, since it uses less digits than its factorization.

730140768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 730140768 is about 27021.1170753542. The cubic root of 730140768 is about 900.4692071922.

The spelling of 730140768 in words is "seven hundred thirty million, one hundred forty thousand, seven hundred sixty-eight".