34749809 has 8 divisors (see below), whose sum is σ = 35771520. Its totient is φ = 33742800.

The previous prime is 34749763. The next prime is 34749829. The reversal of 34749809 is 90894743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34749809 - 2⁸ = 34749553 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 34749809.

It is not an unprimeable number, because it can be changed into a prime (34749829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (4471440).

Almost surely, 2^34749809 is an apocalyptic number.

It is an amenable number.

34749809 is a deficient number, since it is larger than the sum of its proper divisors (1021711).

34749809 is an equidigital number, since it uses as much as digits as its factorization.

34749809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 34749809 is about 5894.8968608450. The cubic root of 34749809 is about 326.3253460931.

The spelling of 34749809 in words is "thirty-four million, seven hundred forty-nine thousand, eight hundred nine".