34807621 has 2 divisors, whose sum is σ = 34807622. Its totient is φ = 34807620.

The previous prime is 34807609. The next prime is 34807631. The reversal of 34807621 is 12670843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24147396 + 10660225 = 4914^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 34807621 - 2¹⁵ = 34774853 is a prime.

It is a Chen prime.

It is equal to p_2135677 and since 34807621 and 2135677 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34807631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17403810 + 17403811.

It is an arithmetic number, because the mean of its divisors is an integer number (17403811).

Almost surely, 2^34807621 is an apocalyptic number.

It is an amenable number.

34807621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34807621 is an equidigital number, since it uses as much as digits as its factorization.

34807621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 34807621 is about 5899.7983863858. The cubic root of 34807621 is about 326.5062110547.

The spelling of 34807621 in words is "thirty-four million, eight hundred seven thousand, six hundred twenty-one".