34999978 has 16 divisors (see below), whose sum is σ = 57919176. Its totient is φ = 15759360.

The previous prime is 34999969. The next prime is 35000011. The reversal of 34999978 is 87999943.

It can be written as a sum of positive squares in 4 ways, for example, as 17081689 + 17918289 = 4133^2 + 4233^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15351 + ... + 17482.

Almost surely, 2^34999978 is an apocalyptic number.

34999978 is a deficient number, since it is larger than the sum of its proper divisors (22919198).

34999978 is a wasteful number, since it uses less digits than its factorization.

34999978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32889.

The product of its digits is 4408992, while the sum is 58.

The square root of 34999978 is about 5916.0779237600. The cubic root of 34999978 is about 327.1065624822.

The spelling of 34999978 in words is "thirty-four million, nine hundred ninety-nine thousand, nine hundred seventy-eight".