74066670077 has 4 divisors (see below), whose sum is σ = 74959039680. Its totient is φ = 73174300476.

The previous prime is 74066670071. The next prime is 74066670079. The reversal of 74066670077 is 77007666047.

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 74066670077 - 2²⁰ = 74065621501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74066670071) 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, 446184677 + ... + 446184842.

It is an arithmetic number, because the mean of its divisors is an integer number (18739759920).

Almost surely, 2^74066670077 is an apocalyptic number.

It is an amenable number.

74066670077 is a deficient number, since it is larger than the sum of its proper divisors (892369603).

74066670077 is an equidigital number, since it uses as much as digits as its factorization.

74066670077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892369602.

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 74066670077 in words is "seventy-four billion, sixty-six million, six hundred seventy thousand, seventy-seven".