3728217458 has 32 divisors (see below), whose sum is σ = 6627788544. Its totient is φ = 1539508032.

The previous prime is 3728217457. The next prime is 3728217469. The reversal of 3728217458 is 8547128273.

3728217458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3728217457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18416 + ... + 88292.

It is an arithmetic number, because the mean of its divisors is an integer number (207118392).

Almost surely, 2^3728217458 is an apocalyptic number.

3728217458 is a deficient number, since it is larger than the sum of its proper divisors (2899571086).

3728217458 is a wasteful number, since it uses less digits than its factorization.

3728217458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70026.

The product of its digits is 752640, while the sum is 47.

The square root of 3728217458 is about 61059.1308323333. The cubic root of 3728217458 is about 1550.6022575319.

The spelling of 3728217458 in words is "three billion, seven hundred twenty-eight million, two hundred seventeen thousand, four hundred fifty-eight".