34643666 has 4 divisors (see below), whose sum is σ = 51965502. Its totient is φ = 17321832.

The previous prime is 34643663. The next prime is 34643677. The reversal of 34643666 is 66634643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 7447441 = 5215^2 + 2729^2 .

It is not an unprimeable number, because it can be changed into a prime (34643663) 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, 8660915 + ... + 8660918.

Almost surely, 2^34643666 is an apocalyptic number.

34643666 is a deficient number, since it is larger than the sum of its proper divisors (17321836).

34643666 is a wasteful number, since it uses less digits than its factorization.

34643666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17321835.

The product of its digits is 186624, while the sum is 38.

The square root of 34643666 is about 5885.8870189632. The cubic root of 34643666 is about 325.9927545531.

The spelling of 34643666 in words is "thirty-four million, six hundred forty-three thousand, six hundred sixty-six".