66769045 has 8 divisors (see below), whose sum is σ = 91569024. Its totient is φ = 45784464.

The previous prime is 66769037. The next prime is 66769057. The reversal of 66769045 is 54096766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66769045 - 2³ = 66769037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66768992 and 66769010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953809 + ... + 953878.

It is an arithmetic number, because the mean of its divisors is an integer number (11446128).

Almost surely, 2^66769045 is an apocalyptic number.

It is an amenable number.

66769045 is a deficient number, since it is larger than the sum of its proper divisors (24799979).

66769045 is a wasteful number, since it uses less digits than its factorization.

66769045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907699.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 66769045 is about 8171.2327711307. The cubic root of 66769045 is about 405.6875887807.

The spelling of 66769045 in words is "sixty-six million, seven hundred sixty-nine thousand, forty-five".