66077033 has 4 divisors (see below), whose sum is σ = 72084048. Its totient is φ = 60070020.

The previous prime is 66077029. The next prime is 66077059. The reversal of 66077033 is 33077066.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66077033 - 2² = 66077029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66077083) 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, 3003491 + ... + 3003512.

It is an arithmetic number, because the mean of its divisors is an integer number (18021012).

Almost surely, 2^66077033 is an apocalyptic number.

It is an amenable number.

66077033 is a deficient number, since it is larger than the sum of its proper divisors (6007015).

66077033 is a wasteful number, since it uses less digits than its factorization.

66077033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007014.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 66077033 is about 8128.7780754551. The cubic root of 66077033 is about 404.2811676201.

The spelling of 66077033 in words is "sixty-six million, seventy-seven thousand, thirty-three".