34642081 has 4 divisors (see below), whose sum is σ = 34654464. Its totient is φ = 34629700.

The previous prime is 34642061. The next prime is 34642087. The reversal of 34642081 is 18024643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 34642081 - 2⁹ = 34641569 is a prime.

It is a super-2 number, since 2×34642081² = 2400147552021122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34642087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216 + ... + 8326.

It is an arithmetic number, because the mean of its divisors is an integer number (8663616).

Almost surely, 2^34642081 is an apocalyptic number.

It is an amenable number.

34642081 is a deficient number, since it is larger than the sum of its proper divisors (12383).

34642081 is an equidigital number, since it uses as much as digits as its factorization.

34642081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12382.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 34642081 is about 5885.7523733164. The cubic root of 34642081 is about 325.9877829238.

The spelling of 34642081 in words is "thirty-four million, six hundred forty-two thousand, eighty-one".