34676821 has 12 divisors (see below), whose sum is σ = 37246468. Its totient is φ = 32274432.

The previous prime is 34676809. The next prime is 34676827. The reversal of 34676821 is 12867643.

It can be written as a sum of positive squares in 6 ways, for example, as 5354596 + 29322225 = 2314^2 + 5415^2 .

It is not a de Polignac number, because 34676821 - 2⁹ = 34676309 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34676827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27415 + ... + 28651.

Almost surely, 2^34676821 is an apocalyptic number.

It is an amenable number.

34676821 is a deficient number, since it is larger than the sum of its proper divisors (2569647).

34676821 is a wasteful number, since it uses less digits than its factorization.

34676821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1351 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 34676821 is about 5888.7028282976. The cubic root of 34676821 is about 326.0967162572.

The spelling of 34676821 in words is "thirty-four million, six hundred seventy-six thousand, eight hundred twenty-one".