34320749 has 8 divisors (see below), whose sum is σ = 34927200. Its totient is φ = 33719056.

The previous prime is 34320743. The next prime is 34320757. The reversal of 34320749 is 94702343.

34320749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34320749 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 (34320743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15302 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (4365900).

Almost surely, 2^34320749 is an apocalyptic number.

It is an amenable number.

34320749 is a deficient number, since it is larger than the sum of its proper divisors (606451).

34320749 is a wasteful number, since it uses less digits than its factorization.

34320749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 34320749 is about 5858.3913320979. The cubic root of 34320749 is about 324.9767210151.

The spelling of 34320749 in words is "thirty-four million, three hundred twenty thousand, seven hundred forty-nine".