4447973 has 4 divisors (see below), whose sum is σ = 4591488. Its totient is φ = 4304460.

The previous prime is 4447943. The next prime is 4447987. The reversal of 4447973 is 3797444.

It is a happy number.

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 4447973 - 2⁶ = 4447909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447903) 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, 71711 + ... + 71772.

It is an arithmetic number, because the mean of its divisors is an integer number (1147872).

Almost surely, 2^4447973 is an apocalyptic number.

It is an amenable number.

4447973 is a deficient number, since it is larger than the sum of its proper divisors (143515).

4447973 is a wasteful number, since it uses less digits than its factorization.

4447973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143514.

The product of its digits is 84672, while the sum is 38.

The square root of 4447973 is about 2109.0218111722. The cubic root of 4447973 is about 164.4576376106.

The spelling of 4447973 in words is "four million, four hundred forty-seven thousand, nine hundred seventy-three".