34520478 has 8 divisors (see below), whose sum is σ = 69040968. Its totient is φ = 11506824.

The previous prime is 34520441. The next prime is 34520491. The reversal of 34520478 is 87402543.

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

34520478 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876701 + ... + 2876712.

It is an arithmetic number, because the mean of its divisors is an integer number (8630121).

Almost surely, 2^34520478 is an apocalyptic number.

34520478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34520478 is a wasteful number, since it uses less digits than its factorization.

34520478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753418.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 34520478 is about 5875.4130067596. The cubic root of 34520478 is about 325.6059008744.

The spelling of 34520478 in words is "thirty-four million, five hundred twenty thousand, four hundred seventy-eight".