730478755 has 8 divisors (see below), whose sum is σ = 897954624. Its totient is φ = 570129600.

The previous prime is 730478713. The next prime is 730478759. The reversal of 730478755 is 557874037.

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

It is a de Polignac number, because none of the positive numbers 2^k-730478755 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730478759) 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, 1781451 + ... + 1781860.

It is an arithmetic number, because the mean of its divisors is an integer number (112244328).

Almost surely, 2^730478755 is an apocalyptic number.

730478755 is a deficient number, since it is larger than the sum of its proper divisors (167475869).

730478755 is a wasteful number, since it uses less digits than its factorization.

730478755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563357.

The product of its (nonzero) digits is 823200, while the sum is 46.

The square root of 730478755 is about 27027.3704788313. The cubic root of 730478755 is about 900.6081301461.

The spelling of 730478755 in words is "seven hundred thirty million, four hundred seventy-eight thousand, seven hundred fifty-five".