74440077 has 4 divisors (see below), whose sum is σ = 99253440. Its totient is φ = 49626716.

The previous prime is 74440073. The next prime is 74440087. The reversal of 74440077 is 77004447.

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 74440077 - 2² = 74440073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74440073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12406677 + ... + 12406682.

It is an arithmetic number, because the mean of its divisors is an integer number (24813360).

Almost surely, 2^74440077 is an apocalyptic number.

It is an amenable number.

74440077 is a deficient number, since it is larger than the sum of its proper divisors (24813363).

74440077 is a wasteful number, since it uses less digits than its factorization.

74440077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24813362.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 74440077 is about 8627.8663063355. The cubic root of 74440077 is about 420.6642493587.

The spelling of 74440077 in words is "seventy-four million, four hundred forty thousand, seventy-seven".