730756255 has 4 divisors (see below), whose sum is σ = 876907512. Its totient is φ = 584605000.

The previous prime is 730756231. The next prime is 730756261. The reversal of 730756255 is 552657037.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-730756255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73075621 + ... + 73075630.

It is an arithmetic number, because the mean of its divisors is an integer number (219226878).

Almost surely, 2^730756255 is an apocalyptic number.

730756255 is a deficient number, since it is larger than the sum of its proper divisors (146151257).

730756255 is a wasteful number, since it uses less digits than its factorization.

730756255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146151256.

The product of its (nonzero) digits is 220500, while the sum is 40.

The square root of 730756255 is about 27032.5036761303. The cubic root of 730756255 is about 900.7221590685.

The spelling of 730756255 in words is "seven hundred thirty million, seven hundred fifty-six thousand, two hundred fifty-five".