34504978 has 4 divisors (see below), whose sum is σ = 51757470. Its totient is φ = 17252488.

The previous prime is 34504949. The next prime is 34504993. The reversal of 34504978 is 87940543.

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

It can be written as a sum of positive squares in only one way, i.e., 33837489 + 667489 = 5817^2 + 817^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 34504978.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8626243 + ... + 8626246.

Almost surely, 2^34504978 is an apocalyptic number.

34504978 is a deficient number, since it is larger than the sum of its proper divisors (17252492).

34504978 is a wasteful number, since it uses less digits than its factorization.

34504978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252491.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 34504978 is about 5874.0938024516. The cubic root of 34504978 is about 325.5571602688.

The spelling of 34504978 in words is "thirty-four million, five hundred four thousand, nine hundred seventy-eight".