730775847 has 4 divisors (see below), whose sum is σ = 974367800. Its totient is φ = 487183896.

The previous prime is 730775839. The next prime is 730775861. The reversal of 730775847 is 748577037.

It is a happy number.

730775847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 730775847 - 2³ = 730775839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730775796 and 730775805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730775827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121795972 + ... + 121795977.

It is an arithmetic number, because the mean of its divisors is an integer number (243591950).

Almost surely, 2^730775847 is an apocalyptic number.

730775847 is a deficient number, since it is larger than the sum of its proper divisors (243591953).

730775847 is a wasteful number, since it uses less digits than its factorization.

730775847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243591952.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The square root of 730775847 is about 27032.8660522705. The cubic root of 730775847 is about 900.7302086247.

The spelling of 730775847 in words is "seven hundred thirty million, seven hundred seventy-five thousand, eight hundred forty-seven".