34212978 has 12 divisors (see below), whose sum is σ = 74128158. Its totient is φ = 11404320.

The previous prime is 34212973. The next prime is 34212989. The reversal of 34212978 is 87921243.

It can be written as a sum of positive squares in only one way, i.e., 22496049 + 11716929 = 4743^2 + 3423^2 .

It is not an unprimeable number, because it can be changed into a prime (34212973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 950343 + ... + 950378.

Almost surely, 2^34212978 is an apocalyptic number.

34212978 is an abundant number, since it is smaller than the sum of its proper divisors (39915180).

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

34212978 is a wasteful number, since it uses less digits than its factorization.

34212978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900729 (or 1900726 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 34212978 is about 5849.1860972275. The cubic root of 34212978 is about 324.6362099045.

The spelling of 34212978 in words is "thirty-four million, two hundred twelve thousand, nine hundred seventy-eight".