66767045 has 16 divisors (see below), whose sum is σ = 88007040. Its totient is φ = 48400704.

The previous prime is 66767039. The next prime is 66767047. The reversal of 66767045 is 54076766.

It is a cyclic number.

It is not a de Polignac number, because 66767045 - 2¹⁴ = 66750661 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66766993 and 66767011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66767047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13094 + ... + 17463.

It is an arithmetic number, because the mean of its divisors is an integer number (5500440).

Almost surely, 2^66767045 is an apocalyptic number.

It is an amenable number.

66767045 is a deficient number, since it is larger than the sum of its proper divisors (21239995).

66767045 is a wasteful number, since it uses less digits than its factorization.

66767045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30604.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 66767045 is about 8171.1103896594. The cubic root of 66767045 is about 405.6835380848.

The spelling of 66767045 in words is "sixty-six million, seven hundred sixty-seven thousand, forty-five".