4728392258 has 6 divisors (see below), whose sum is σ = 7092734259. Its totient is φ = 2364147506.

The previous prime is 4728392243. The next prime is 4728392299. The reversal of 4728392258 is 8522938274.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2364196129 + 2364196129 = 48623^2 + 48623^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=48623.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 72935 + ... + 121557.

Almost surely, 2^4728392258 is an apocalyptic number.

4728392258 is a deficient number, since it is larger than the sum of its proper divisors (2364342001).

4728392258 is an frugal number, since it uses more digits than its factorization.

4728392258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97248 (or 48625 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 4728392258 is about 68763.3060432670. The cubic root of 4728392258 is about 1678.4348918218.

Multiplying 4728392258 by its sum of digits (50), we get a square (236419612900 = 486230²).

The spelling of 4728392258 in words is "four billion, seven hundred twenty-eight million, three hundred ninety-two thousand, two hundred fifty-eight".