67812034 has 16 divisors (see below), whose sum is σ = 105478200. Its totient is φ = 32658304.

The previous prime is 67812011. The next prime is 67812047. The reversal of 67812034 is 43021876.

It can be written as a sum of positive squares in 4 ways, for example, as 64400625 + 3411409 = 8025^2 + 1847^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67811987 and 67812005.

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, 28374 + ... + 30670.

Almost surely, 2^67812034 is an apocalyptic number.

67812034 is a deficient number, since it is larger than the sum of its proper divisors (37666166).

67812034 is a wasteful number, since it uses less digits than its factorization.

67812034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 67812034 is about 8234.8062515156. The cubic root of 67812034 is about 407.7890786322.

The spelling of 67812034 in words is "sixty-seven million, eight hundred twelve thousand, thirty-four".