34951978 has 8 divisors (see below), whose sum is σ = 52918272. Its totient is φ = 17312556.

The previous prime is 34951919. The next prime is 34951981. The reversal of 34951978 is 87915943.

It is a happy number.

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

It is a super-2 number, since 2×34951978² = 2443281532224968, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 81450 + ... + 81877.

It is an arithmetic number, because the mean of its divisors is an integer number (6614784).

Almost surely, 2^34951978 is an apocalyptic number.

34951978 is a deficient number, since it is larger than the sum of its proper divisors (17966294).

34951978 is a wasteful number, since it uses less digits than its factorization.

34951978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163436.

The product of its digits is 272160, while the sum is 46.

The square root of 34951978 is about 5912.0197902240. The cubic root of 34951978 is about 326.9569595488.

The spelling of 34951978 in words is "thirty-four million, nine hundred fifty-one thousand, nine hundred seventy-eight".