34675621 has 4 divisors (see below), whose sum is σ = 35329932. Its totient is φ = 34021312.

The previous prime is 34675609. The next prime is 34675687. The reversal of 34675621 is 12657643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12657643 = 41 ⋅308723.

It can be written as a sum of positive squares in 2 ways, for example, as 25908100 + 8767521 = 5090^2 + 2961^2 .

It is a cyclic number.

It is not a de Polignac number, because 34675621 - 2¹³ = 34667429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34675021) 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, 327076 + ... + 327181.

It is an arithmetic number, because the mean of its divisors is an integer number (8832483).

Almost surely, 2^34675621 is an apocalyptic number.

It is an amenable number.

34675621 is a deficient number, since it is larger than the sum of its proper divisors (654311).

34675621 is an equidigital number, since it uses as much as digits as its factorization.

34675621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654310.

The product of its digits is 30240, while the sum is 34.

The square root of 34675621 is about 5888.6009374044. The cubic root of 34675621 is about 326.0929546612.

The spelling of 34675621 in words is "thirty-four million, six hundred seventy-five thousand, six hundred twenty-one".