34671421 has 2 divisors, whose sum is σ = 34671422. Its totient is φ = 34671420.

The previous prime is 34671401. The next prime is 34671431. The reversal of 34671421 is 12417643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 11148921 = 4850^2 + 3339^2 .

It is a cyclic number.

It is not a de Polignac number, because 34671421 - 2⁷ = 34671293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34671421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34671401) 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 as a sum of consecutive naturals, namely, 17335710 + 17335711.

It is an arithmetic number, because the mean of its divisors is an integer number (17335711).

Almost surely, 2^34671421 is an apocalyptic number.

It is an amenable number.

34671421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34671421 is an equidigital number, since it uses as much as digits as its factorization.

34671421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 34671421 is about 5888.2443053936. The cubic root of 34671421 is about 326.0797883917.

The spelling of 34671421 in words is "thirty-four million, six hundred seventy-one thousand, four hundred twenty-one".