4577491 has 4 divisors (see below), whose sum is σ = 4725184. Its totient is φ = 4429800.

The previous prime is 4577477. The next prime is 4577509. The reversal of 4577491 is 1947754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4577491 - 2¹⁷ = 4446419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4577491.

It is not an unprimeable number, because it can be changed into a prime (4577411) 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, 73800 + ... + 73861.

It is an arithmetic number, because the mean of its divisors is an integer number (1181296).

Almost surely, 2^4577491 is an apocalyptic number.

4577491 is a deficient number, since it is larger than the sum of its proper divisors (147693).

4577491 is a wasteful number, since it uses less digits than its factorization.

4577491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147692.

The product of its digits is 35280, while the sum is 37.

The square root of 4577491 is about 2139.5071862464. The cubic root of 4577491 is about 166.0386395754.

The spelling of 4577491 in words is "four million, five hundred seventy-seven thousand, four hundred ninety-one".