4622749 has 4 divisors (see below), whose sum is σ = 4674780. Its totient is φ = 4570720.

The previous prime is 4622741. The next prime is 4622753. The reversal of 4622749 is 9472264.

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 448900 + 4173849 = 670^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 4622749 - 2³ = 4622741 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4622741) 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 3 ways as a sum of consecutive naturals, for example, 25882 + ... + 26059.

It is an arithmetic number, because the mean of its divisors is an integer number (1168695).

Almost surely, 2^4622749 is an apocalyptic number.

It is an amenable number.

4622749 is a deficient number, since it is larger than the sum of its proper divisors (52031).

4622749 is an equidigital number, since it uses as much as digits as its factorization.

4622749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52030.

The product of its digits is 24192, while the sum is 34.

The square root of 4622749 is about 2150.0579061969. The cubic root of 4622749 is about 166.5840581729.

The spelling of 4622749 in words is "four million, six hundred twenty-two thousand, seven hundred forty-nine".