74457672379 has 8 divisors (see below), whose sum is σ = 76571535600. Its totient is φ = 72370068576.

The previous prime is 74457672313. The next prime is 74457672383. The reversal of 74457672379 is 97327675447.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74457672379 - 2²³ = 74449283771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74457672389) 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 7 ways as a sum of consecutive naturals, for example, 6559104 + ... + 6570445.

It is an arithmetic number, because the mean of its divisors is an integer number (9571441950).

Almost surely, 2^74457672379 is an apocalyptic number.

74457672379 is a deficient number, since it is larger than the sum of its proper divisors (2113863221).

74457672379 is a wasteful number, since it uses less digits than its factorization.

74457672379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129709.

The product of its digits is 62233920, while the sum is 61.

The spelling of 74457672379 in words is "seventy-four billion, four hundred fifty-seven million, six hundred seventy-two thousand, three hundred seventy-nine".