4572855 has 40 divisors (see below), whose sum is σ = 9374112. Its totient is φ = 2089152.

The previous prime is 4572833. The next prime is 4572899. The reversal of 4572855 is 5582754.

It is a happy number.

4572855 is a `hidden beast` number, since 4 + 572 + 85 + 5 = 666.

It is not a de Polignac number, because 4572855 - 2⁵ = 4572823 is a prime.

It is a super-2 number, since 2×4572855² = 41822005702050, which contains 22 as substring.

4572855 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2029 + ... + 3641.

Almost surely, 2^4572855 is an apocalyptic number.

4572855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4572855 is an abundant number, since it is smaller than the sum of its proper divisors (4801257).

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

4572855 is a wasteful number, since it uses less digits than its factorization.

With its successor (4572856) it forms an eRAP, since the sums of their prime factors are consecutive (1637 and 1638).

4572855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637 (or 1628 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 4572855 is about 2138.4234847195. The cubic root of 4572855 is about 165.9825669988.

It can be divided in two parts, 45 and 72855, that added together give a square (72900 = 270²).

The spelling of 4572855 in words is "four million, five hundred seventy-two thousand, eight hundred fifty-five".