730847945 has 8 divisors (see below), whose sum is σ = 882270144. Its totient is φ = 581176624.

The previous prime is 730847941. The next prime is 730847959. The reversal of 730847945 is 549748037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730847945 - 2² = 730847941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 730847945.

It is not an unprimeable number, because it can be changed into a prime (730847941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436799 + ... + 438468.

It is an arithmetic number, because the mean of its divisors is an integer number (110283768).

Almost surely, 2^730847945 is an apocalyptic number.

It is an amenable number.

730847945 is a deficient number, since it is larger than the sum of its proper divisors (151422199).

730847945 is a wasteful number, since it uses less digits than its factorization.

730847945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875439.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 730847945 is about 27034.1995442809. The cubic root of 730847945 is about 900.7598295230.

The spelling of 730847945 in words is "seven hundred thirty million, eight hundred forty-seven thousand, nine hundred forty-five".