4640761 has 2 divisors, whose sum is σ = 4640762. Its totient is φ = 4640760.

The previous prime is 4640759. The next prime is 4640777. The reversal of 4640761 is 1670464.

4640761 is nontrivially palindromic in base 12.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4280761 + 360000 = 2069^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640761 - 2¹ = 4640759 is a prime.

Together with 4640759, it forms a pair of twin primes.

4640761 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4640791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320380 + 2320381.

It is an arithmetic number, because the mean of its divisors is an integer number (2320381).

Almost surely, 2^4640761 is an apocalyptic number.

It is an amenable number.

4640761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640761 is an equidigital number, since it uses as much as digits as its factorization.

4640761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4640761 is about 2154.2425583021. The cubic root of 4640761 is about 166.8001361979.

The spelling of 4640761 in words is "four million, six hundred forty thousand, seven hundred sixty-one".