74639341133 has 32 divisors (see below), whose sum is σ = 88260648960. Its totient is φ = 61794472320.

The previous prime is 74639341129. The next prime is 74639341151. The reversal of 74639341133 is 33114393647.

It is a happy number.

It is not a de Polignac number, because 74639341133 - 2² = 74639341129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74639340133) 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 31 ways as a sum of consecutive naturals, for example, 11171888 + ... + 11178566.

It is an arithmetic number, because the mean of its divisors is an integer number (2758145280).

Almost surely, 2^74639341133 is an apocalyptic number.

It is an amenable number.

74639341133 is a deficient number, since it is larger than the sum of its proper divisors (13621307827).

74639341133 is a wasteful number, since it uses less digits than its factorization.

74639341133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137.

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

The spelling of 74639341133 in words is "seventy-four billion, six hundred thirty-nine million, three hundred forty-one thousand, one hundred thirty-three".