34462721 has 2 divisors, whose sum is σ = 34462722. Its totient is φ = 34462720.

The previous prime is 34462711. The next prime is 34462777. The reversal of 34462721 is 12726443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20295025 + 14167696 = 4505^2 + 3764^2 .

It is an emirp because it is prime and its reverse (12726443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34462721 - 2¹⁸ = 34200577 is a prime.

It is not a weakly prime, because it can be changed into another prime (34462711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17231360 + 17231361.

It is an arithmetic number, because the mean of its divisors is an integer number (17231361).

Almost surely, 2^34462721 is an apocalyptic number.

It is an amenable number.

34462721 is a deficient number, since it is larger than the sum of its proper divisors (1).

34462721 is an equidigital number, since it uses as much as digits as its factorization.

34462721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 34462721 is about 5870.4958052962. The cubic root of 34462721 is about 325.4242066152.

The spelling of 34462721 in words is "thirty-four million, four hundred sixty-two thousand, seven hundred twenty-one".