4971973 has 4 divisors (see below), whose sum is σ = 5264460. Its totient is φ = 4679488.

The previous prime is 4971971. The next prime is 4971991. The reversal of 4971973 is 3791794.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4397409 + 574564 = 2097^2 + 758^2 .

It is not a de Polignac number, because 4971973 - 2¹ = 4971971 is a prime.

It is a super-4 number, since 4×4971973⁴ (a number of 28 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4971973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971971) 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, 146218 + ... + 146251.

It is an arithmetic number, because the mean of its divisors is an integer number (1316115).

Almost surely, 2^4971973 is an apocalyptic number.

It is an amenable number.

4971973 is a deficient number, since it is larger than the sum of its proper divisors (292487).

4971973 is a wasteful number, since it uses less digits than its factorization.

4971973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292486.

The product of its digits is 47628, while the sum is 40.

The square root of 4971973 is about 2229.7921427792. The cubic root of 4971973 is about 170.6774925146.

The spelling of 4971973 in words is "four million, nine hundred seventy-one thousand, nine hundred seventy-three".