34499978 has 4 divisors (see below), whose sum is σ = 51749970. Its totient is φ = 17249988.

The previous prime is 34499957. The next prime is 34500001. The reversal of 34499978 is 87999443.

It is a happy number.

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., 27008809 + 7491169 = 5197^2 + 2737^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8624993 + ... + 8624996.

Almost surely, 2^34499978 is an apocalyptic number.

34499978 is a deficient number, since it is larger than the sum of its proper divisors (17249992).

34499978 is a wasteful number, since it uses less digits than its factorization.

34499978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17249991.

The product of its digits is 1959552, while the sum is 53.

The square root of 34499978 is about 5873.6681894707. The cubic root of 34499978 is about 325.5414343791.

The spelling of 34499978 in words is "thirty-four million, four hundred ninety-nine thousand, nine hundred seventy-eight".