74341639331 has 4 divisors (see below), whose sum is σ = 74342971392. Its totient is φ = 74340307272.

The previous prime is 74341639327. The next prime is 74341639349. The reversal of 74341639331 is 13393614347.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74341639331 - 2² = 74341639327 is a prime.

It is a super-2 number, since 2×74341639331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74341639831) 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, 578480 + ... + 695213.

It is an arithmetic number, because the mean of its divisors is an integer number (18585742848).

Almost surely, 2^74341639331 is an apocalyptic number.

74341639331 is a deficient number, since it is larger than the sum of its proper divisors (1332061).

74341639331 is a wasteful number, since it uses less digits than its factorization.

74341639331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332060.

The product of its digits is 489888, while the sum is 44.

The spelling of 74341639331 in words is "seventy-four billion, three hundred forty-one million, six hundred thirty-nine thousand, three hundred thirty-one".