4564642 has 4 divisors (see below), whose sum is σ = 6846966. Its totient is φ = 2282320.

The previous prime is 4564633. The next prime is 4564663. The reversal of 4564642 is 2464654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2464654 = 2 ⋅1232327.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 958441 = 1899^2 + 979^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1141159 + ... + 1141162.

Almost surely, 2^4564642 is an apocalyptic number.

4564642 is a deficient number, since it is larger than the sum of its proper divisors (2282324).

4564642 is a wasteful number, since it uses less digits than its factorization.

4564642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282323.

The product of its digits is 23040, while the sum is 31.

The square root of 4564642 is about 2136.5022817680. The cubic root of 4564642 is about 165.8831373745.

The spelling of 4564642 in words is "four million, five hundred sixty-four thousand, six hundred forty-two".