4572919 has 4 divisors (see below), whose sum is σ = 4924696. Its totient is φ = 4221144.

The previous prime is 4572917. The next prime is 4572979. The reversal of 4572919 is 9192754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9192754 = 2 ⋅4596377.

It is a cyclic number.

It is not a de Polignac number, because 4572919 - 2¹ = 4572917 is a prime.

It is a super-2 number, since 2×4572919² = 41823176361122, which contains 22 as substring.

It is a Duffinian number.

4572919 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4572917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175869 + ... + 175894.

It is an arithmetic number, because the mean of its divisors is an integer number (1231174).

Almost surely, 2^4572919 is an apocalyptic number.

4572919 is a deficient number, since it is larger than the sum of its proper divisors (351777).

4572919 is a wasteful number, since it uses less digits than its factorization.

4572919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351776.

The product of its digits is 22680, while the sum is 37.

The square root of 4572919 is about 2138.4384489622. The cubic root of 4572919 is about 165.9833413389.

The spelling of 4572919 in words is "four million, five hundred seventy-two thousand, nine hundred nineteen".