34642666 has 8 divisors (see below), whose sum is σ = 53069760. Its totient is φ = 16952748.

The previous prime is 34642637. The next prime is 34642667. The reversal of 34642666 is 66624643.

34642666 = 424² + 425² + ... + 564².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×34642666² = 2400228615175112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34642667) 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 in 3 ways as a sum of consecutive naturals, for example, 184176 + ... + 184363.

It is an arithmetic number, because the mean of its divisors is an integer number (6633720).

Almost surely, 2^34642666 is an apocalyptic number.

34642666 is a deficient number, since it is larger than the sum of its proper divisors (18427094).

34642666 is a wasteful number, since it uses less digits than its factorization.

34642666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368588.

The product of its digits is 124416, while the sum is 37.

The square root of 34642666 is about 5885.8020693870. The cubic root of 34642666 is about 325.9896178961.

The spelling of 34642666 in words is "thirty-four million, six hundred forty-two thousand, six hundred sixty-six".