34687261 has 4 divisors (see below), whose sum is σ = 39642592. Its totient is φ = 29731932.

The previous prime is 34687253. The next prime is 34687309. The reversal of 34687261 is 16278643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16278643 = 61 ⋅266863.

It is a cyclic number.

It is not a de Polignac number, because 34687261 - 2³ = 34687253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34687261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34687201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2477655 + ... + 2477668.

It is an arithmetic number, because the mean of its divisors is an integer number (9910648).

Almost surely, 2^34687261 is an apocalyptic number.

It is an amenable number.

34687261 is a deficient number, since it is larger than the sum of its proper divisors (4955331).

34687261 is an equidigital number, since it uses as much as digits as its factorization.

34687261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955330.

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

The square root of 34687261 is about 5889.5892046899. The cubic root of 34687261 is about 326.1294384813.

The spelling of 34687261 in words is "thirty-four million, six hundred eighty-seven thousand, two hundred sixty-one".