4748645 has 24 divisors (see below), whose sum is σ = 6435072. Its totient is φ = 3359840.

The previous prime is 4748633. The next prime is 4748647. The reversal of 4748645 is 5468474.

4748645 = 135² + 136² + ... + 255².

It is not a de Polignac number, because 4748645 - 2⁴ = 4748629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4748599 and 4748608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4748647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28352 + ... + 28518.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

Almost surely, 2^4748645 is an apocalyptic number.

It is an amenable number.

4748645 is a deficient number, since it is larger than the sum of its proper divisors (1686427).

4748645 is a wasteful number, since it uses less digits than its factorization.

4748645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 230 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 4748645 is about 2179.1385912787. The cubic root of 4748645 is about 168.0827846911.

It can be divided in two parts, 474 and 8645, that added together give a palindrome (9119).

The spelling of 4748645 in words is "four million, seven hundred forty-eight thousand, six hundred forty-five".