66965035 has 8 divisors (see below), whose sum is σ = 80524656. Its totient is φ = 53460960.

The previous prime is 66965033. The next prime is 66965047. The reversal of 66965035 is 53056966.

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

It is not a de Polignac number, because 66965035 - 2¹ = 66965033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66965033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11184 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (10065582).

Almost surely, 2^66965035 is an apocalyptic number.

66965035 is a deficient number, since it is larger than the sum of its proper divisors (13559621).

66965035 is a wasteful number, since it uses less digits than its factorization.

66965035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27773.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 66965035 is about 8183.2166658350. The cubic root of 66965035 is about 406.0841449997.

The spelling of 66965035 in words is "sixty-six million, nine hundred sixty-five thousand, thirty-five".