4544721675 has 120 divisors (see below), whose sum is σ = 9360095360. Its totient is φ = 2164838400.

The previous prime is 4544721667. The next prime is 4544721691. The reversal of 4544721675 is 5761274454.

4544721675 is a `hidden beast` number, since 45 + 447 + 2 + 167 + 5 = 666.

It is not a de Polignac number, because 4544721675 - 2³ = 4544721667 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4544721675.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 813291 + ... + 818859.

Almost surely, 2^4544721675 is an apocalyptic number.

4544721675 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4544721675 is an abundant number, since it is smaller than the sum of its proper divisors (4815373685).

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

4544721675 is a wasteful number, since it uses less digits than its factorization.

4544721675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635 (or 5621 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 4544721675 is about 67414.5509144725. The cubic root of 4544721675 is about 1656.4147807099.

The spelling of 4544721675 in words is "four billion, five hundred forty-four million, seven hundred twenty-one thousand, six hundred seventy-five".