4721428346 has 16 divisors (see below), whose sum is σ = 7330719240. Its totient is φ = 2277952320.

The previous prime is 4721428319. The next prime is 4721428363. The reversal of 4721428346 is 6438241274.

It can be written as a sum of positive squares in 4 ways, for example, as 3606603025 + 1114825321 = 60055^2 + 33389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77600 + ... + 124356.

Almost surely, 2^4721428346 is an apocalyptic number.

4721428346 is a deficient number, since it is larger than the sum of its proper divisors (2609290894).

4721428346 is a wasteful number, since it uses less digits than its factorization.

4721428346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48529.

The product of its digits is 258048, while the sum is 41.

The square root of 4721428346 is about 68712.6505528640. The cubic root of 4721428346 is about 1677.6104949194.

The spelling of 4721428346 in words is "four billion, seven hundred twenty-one million, four hundred twenty-eight thousand, three hundred forty-six".