66797035 has 4 divisors (see below), whose sum is σ = 80156448. Its totient is φ = 53437624.

The previous prime is 66797023. The next prime is 66797039. The reversal of 66797035 is 53079766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66797035 - 2⁹ = 66796523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66796982 and 66797000.

It is not an unprimeable number, because it can be changed into a prime (66797039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6679699 + ... + 6679708.

It is an arithmetic number, because the mean of its divisors is an integer number (20039112).

Almost surely, 2^66797035 is an apocalyptic number.

66797035 is a deficient number, since it is larger than the sum of its proper divisors (13359413).

66797035 is a wasteful number, since it uses less digits than its factorization.

66797035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13359412.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 66797035 is about 8172.9453075375. The cubic root of 66797035 is about 405.7442697834.

The spelling of 66797035 in words is "sixty-six million, seven hundred ninety-seven thousand, thirty-five".