34867521 has 12 divisors (see below), whose sum is σ = 54238548. Its totient is φ = 21456864.

The previous prime is 34867513. The next prime is 34867549. The reversal of 34867521 is 12576843.

It can be written as a sum of positive squares in 2 ways, for example, as 16719921 + 18147600 = 4089^2 + 4260^2 .

It is not a de Polignac number, because 34867521 - 2³ = 34867513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34867571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148890 + ... + 149123.

It is an arithmetic number, because the mean of its divisors is an integer number (4519879).

Almost surely, 2^34867521 is an apocalyptic number.

It is an amenable number.

34867521 is a deficient number, since it is larger than the sum of its proper divisors (19371027).

34867521 is a wasteful number, since it uses less digits than its factorization.

34867521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298032 (or 298029 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 34867521 is about 5904.8726489231. The cubic root of 34867521 is about 326.6933972064.

The spelling of 34867521 in words is "thirty-four million, eight hundred sixty-seven thousand, five hundred twenty-one".