74443007873 has 8 divisors (see below), whose sum is σ = 80519481000. Its totient is φ = 68416547328.

The previous prime is 74443007869. The next prime is 74443007897. The reversal of 74443007873 is 37870034447.

It can be written as a sum of positive squares in 4 ways, for example, as 1409026369 + 73033981504 = 37537^2 + 270248^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74443007873 - 2² = 74443007869 is a prime.

It is a super-2 number, since 2×74443007873² (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 (74443007843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12500048 + ... + 12506001.

It is an arithmetic number, because the mean of its divisors is an integer number (10064935125).

Almost surely, 2^74443007873 is an apocalyptic number.

It is an amenable number.

74443007873 is a deficient number, since it is larger than the sum of its proper divisors (6076473127).

74443007873 is a wasteful number, since it uses less digits than its factorization.

74443007873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25006291.

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

The spelling of 74443007873 in words is "seventy-four billion, four hundred forty-three million, seven thousand, eight hundred seventy-three".