66973034 has 16 divisors (see below), whose sum is σ = 104344200. Its totient is φ = 32212224.

The previous prime is 66973031. The next prime is 66973063. The reversal of 66973034 is 43037966.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66667225 + 305809 = 8165^2 + 553^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66973031) 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 7 ways as a sum of consecutive naturals, for example, 1502 + ... + 11670.

Almost surely, 2^66973034 is an apocalyptic number.

66973034 is a deficient number, since it is larger than the sum of its proper divisors (37371166).

66973034 is a wasteful number, since it uses less digits than its factorization.

66973034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10297.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 66973034 is about 8183.7053954795. The cubic root of 66973034 is about 406.1003133267.

The spelling of 66973034 in words is "sixty-six million, nine hundred seventy-three thousand, thirty-four".