4973645 has 8 divisors (see below), whose sum is σ = 6174360. Its totient is φ = 3841600.

The previous prime is 4973627. The next prime is 4973653. The reversal of 4973645 is 5463794.

It can be written as a sum of positive squares in 4 ways, for example, as 40804 + 4932841 = 202^2 + 2221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4973645 - 2⁶ = 4973581 is a prime.

It is a super-3 number, since 3×4973645³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4973599 and 4973608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17006 + ... + 17295.

It is an arithmetic number, because the mean of its divisors is an integer number (771795).

Almost surely, 2^4973645 is an apocalyptic number.

It is an amenable number.

4973645 is a deficient number, since it is larger than the sum of its proper divisors (1200715).

4973645 is a wasteful number, since it uses less digits than its factorization.

4973645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34335.

The product of its digits is 90720, while the sum is 38.

The square root of 4973645 is about 2230.1670341031. The cubic root of 4973645 is about 170.6966224646.

The spelling of 4973645 in words is "four million, nine hundred seventy-three thousand, six hundred forty-five".