4638073 has 4 divisors (see below), whose sum is σ = 5059728. Its totient is φ = 4216420.

The previous prime is 4638041. The next prime is 4638077. The reversal of 4638073 is 3708364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4638073 - 2⁵ = 4638041 is a prime.

It is a Duffinian number.

4638073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4638077) 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, 210811 + ... + 210832.

It is an arithmetic number, because the mean of its divisors is an integer number (1264932).

Almost surely, 2^4638073 is an apocalyptic number.

It is an amenable number.

4638073 is a deficient number, since it is larger than the sum of its proper divisors (421655).

4638073 is a wasteful number, since it uses less digits than its factorization.

4638073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421654.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 4638073 is about 2153.6185827579. The cubic root of 4638073 is about 166.7679255784.

The spelling of 4638073 in words is "four million, six hundred thirty-eight thousand, seventy-three".