4997745 has 48 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 2437632.

The previous prime is 4997717. The next prime is 4997747. The reversal of 4997745 is 5477994.

It is not a de Polignac number, because 4997745 - 2¹⁶ = 4932209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4997745.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35886 + ... + 36024.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

Almost surely, 2^4997745 is an apocalyptic number.

4997745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4997745 is a deficient number, since it is larger than the sum of its proper divisors (4437135).

4997745 is a wasteful number, since it uses less digits than its factorization.

4997745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 211 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 4997745 is about 2235.5636873057. The cubic root of 4997745 is about 170.9718841637.

Subtracting 4997745 from its reverse (5477994), we obtain a square (480249 = 693²).

The spelling of 4997745 in words is "four million, nine hundred ninety-seven thousand, seven hundred forty-five".