34764221 has 2 divisors, whose sum is σ = 34764222. Its totient is φ = 34764220.

The previous prime is 34764217. The next prime is 34764241. The reversal of 34764221 is 12246743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27931225 + 6832996 = 5285^2 + 2614^2 .

It is a cyclic number.

It is not a de Polignac number, because 34764221 - 2² = 34764217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34764241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17382110 + 17382111.

It is an arithmetic number, because the mean of its divisors is an integer number (17382111).

Almost surely, 2^34764221 is an apocalyptic number.

It is an amenable number.

34764221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34764221 is an equidigital number, since it uses as much as digits as its factorization.

34764221 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 34764221 is about 5896.1191473714. The cubic root of 34764221 is about 326.3704528242.

The spelling of 34764221 in words is "thirty-four million, seven hundred sixty-four thousand, two hundred twenty-one".