66969034 has 32 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 28594800.

The previous prime is 66969013. The next prime is 66969037. The reversal of 66969034 is 43096966.

It is not an unprimeable number, because it can be changed into a prime (66969037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54147 + ... + 55369.

It is an arithmetic number, because the mean of its divisors is an integer number (3635280).

Almost surely, 2^66969034 is an apocalyptic number.

66969034 is a deficient number, since it is larger than the sum of its proper divisors (49359926).

66969034 is a wasteful number, since it uses less digits than its factorization.

66969034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 66969034 is about 8183.4610037563. The cubic root of 66969034 is about 406.0922283135.

The spelling of 66969034 in words is "sixty-six million, nine hundred sixty-nine thousand, thirty-four".