4578920730 has 48 divisors (see below), whose sum is σ = 12422816640. Its totient is φ = 1167956064.

The previous prime is 4578920699. The next prime is 4578920741. The reversal of 4578920730 is 370298754.

4578920730 is a `hidden beast` number, since 4 + 578 + 9 + 2 + 0 + 73 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1103950 + ... + 1108089.

It is an arithmetic number, because the mean of its divisors is an integer number (258808680).

Almost surely, 2^4578920730 is an apocalyptic number.

4578920730 is an abundant number, since it is smaller than the sum of its proper divisors (7843895910).

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

4578920730 is a wasteful number, since it uses less digits than its factorization.

4578920730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212075 (or 2212072 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 4578920730 is about 67667.7229556308. The cubic root of 4578920730 is about 1660.5592456938.

The spelling of 4578920730 in words is "four billion, five hundred seventy-eight million, nine hundred twenty thousand, seven hundred thirty".