34745749 has 4 divisors (see below), whose sum is σ = 35334720. Its totient is φ = 34156780.

The previous prime is 34745747. The next prime is 34745779. The reversal of 34745749 is 94754743.

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: 94754743 = 37 ⋅2560939.

It is a cyclic number.

It is not a de Polignac number, because 34745749 - 2¹ = 34745747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34745743) 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 in 3 ways as a sum of consecutive naturals, for example, 294397 + ... + 294514.

It is an arithmetic number, because the mean of its divisors is an integer number (8833680).

Almost surely, 2^34745749 is an apocalyptic number.

It is an amenable number.

34745749 is a deficient number, since it is larger than the sum of its proper divisors (588971).

34745749 is an equidigital number, since it uses as much as digits as its factorization.

34745749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588970.

The product of its digits is 423360, while the sum is 43.

The square root of 34745749 is about 5894.5524851340. The cubic root of 34745749 is about 326.3126368386.

The spelling of 34745749 in words is "thirty-four million, seven hundred forty-five thousand, seven hundred forty-nine".