34687049 has 2 divisors, whose sum is σ = 34687050. Its totient is φ = 34687048.

The previous prime is 34687043. The next prime is 34687061. The reversal of 34687049 is 94078643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34633225 + 53824 = 5885^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 34687049 - 2²⁴ = 17909833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34686997 and 34687015.

It is not a weakly prime, because it can be changed into another prime (34687043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17343524 + 17343525.

It is an arithmetic number, because the mean of its divisors is an integer number (17343525).

Almost surely, 2^34687049 is an apocalyptic number.

It is an amenable number.

34687049 is a deficient number, since it is larger than the sum of its proper divisors (1).

34687049 is an equidigital number, since it uses as much as digits as its factorization.

34687049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 34687049 is about 5889.5712068027. The cubic root of 34687049 is about 326.1287740723.

The spelling of 34687049 in words is "thirty-four million, six hundred eighty-seven thousand, forty-nine".