74320284377 has 4 divisors (see below), whose sum is σ = 75041840640. Its totient is φ = 73598728116.

The previous prime is 74320284373. The next prime is 74320284421. The reversal of 74320284377 is 77348202347.

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 74320284377 - 2² = 74320284373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74320284373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360777977 + ... + 360778182.

It is an arithmetic number, because the mean of its divisors is an integer number (18760460160).

Almost surely, 2^74320284377 is an apocalyptic number.

It is an amenable number.

74320284377 is a deficient number, since it is larger than the sum of its proper divisors (721556263).

74320284377 is a wasteful number, since it uses less digits than its factorization.

74320284377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721556262.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 74320284377 in words is "seventy-four billion, three hundred twenty million, two hundred eighty-four thousand, three hundred seventy-seven".