34370857 has 2 divisors, whose sum is σ = 34370858. Its totient is φ = 34370856.

The previous prime is 34370851. The next prime is 34370893. The reversal of 34370857 is 75807343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18498601 + 15872256 = 4301^2 + 3984^2 .

It is a cyclic number.

It is not a de Polignac number, because 34370857 - 2³ = 34370849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34370851) 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 as a sum of consecutive naturals, namely, 17185428 + 17185429.

It is an arithmetic number, because the mean of its divisors is an integer number (17185429).

Almost surely, 2^34370857 is an apocalyptic number.

It is an amenable number.

34370857 is a deficient number, since it is larger than the sum of its proper divisors (1).

34370857 is an equidigital number, since it uses as much as digits as its factorization.

34370857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 34370857 is about 5862.6663729058. Note that the first 3 decimals coincide. The cubic root of 34370857 is about 325.1347985205.

The spelling of 34370857 in words is "thirty-four million, three hundred seventy thousand, eight hundred fifty-seven".