34640357 has 2 divisors, whose sum is σ = 34640358. Its totient is φ = 34640356.

The previous prime is 34640317. The next prime is 34640381. The reversal of 34640357 is 75304643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30184036 + 4456321 = 5494^2 + 2111^2 .

It is a cyclic number.

It is not a de Polignac number, because 34640357 - 2⁶ = 34640293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34640317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17320178 + 17320179.

It is an arithmetic number, because the mean of its divisors is an integer number (17320179).

Almost surely, 2^34640357 is an apocalyptic number.

It is an amenable number.

34640357 is a deficient number, since it is larger than the sum of its proper divisors (1).

34640357 is an equidigital number, since it uses as much as digits as its factorization.

34640357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 34640357 is about 5885.6059161313. The cubic root of 34640357 is about 325.9823751245.

The spelling of 34640357 in words is "thirty-four million, six hundred forty thousand, three hundred fifty-seven".