4977745 has 4 divisors (see below), whose sum is σ = 5973300. Its totient is φ = 3982192.

The previous prime is 4977743. The next prime is 4977751. The reversal of 4977745 is 5477794.

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 746496 + 4231249 = 864^2 + 2057^2 .

It is a cyclic number.

It is not a de Polignac number, because 4977745 - 2¹ = 4977743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4977743) 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, 497770 + ... + 497779.

It is an arithmetic number, because the mean of its divisors is an integer number (1493325).

Almost surely, 2^4977745 is an apocalyptic number.

It is an amenable number.

4977745 is a deficient number, since it is larger than the sum of its proper divisors (995555).

4977745 is an equidigital number, since it uses as much as digits as its factorization.

4977745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995554.

The product of its digits is 246960, while the sum is 43.

The square root of 4977745 is about 2231.0860584029. The cubic root of 4977745 is about 170.7435138915.

The spelling of 4977745 in words is "four million, nine hundred seventy-seven thousand, seven hundred forty-five".