34520479 has 4 divisors (see below), whose sum is σ = 39451984. Its totient is φ = 29588976.

The previous prime is 34520441. The next prime is 34520491. The reversal of 34520479 is 97402543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34520479 - 2¹¹ = 34518431 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 (34520429) 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, 2465742 + ... + 2465755.

It is an arithmetic number, because the mean of its divisors is an integer number (9862996).

Almost surely, 2^34520479 is an apocalyptic number.

34520479 is a deficient number, since it is larger than the sum of its proper divisors (4931505).

34520479 is an equidigital number, since it uses as much as digits as its factorization.

34520479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931504.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 34520479 is about 5875.4130918600. The cubic root of 34520479 is about 325.6059040185.

The spelling of 34520479 in words is "thirty-four million, five hundred twenty thousand, four hundred seventy-nine".