74001001673231 has 12 divisors (see below), whose sum is σ = 79193705596200. Its totient is φ = 68956929879840.

The previous prime is 74001001673227. The next prime is 74001001673233. The reversal of 74001001673231 is 13237610010047.

It is not a de Polignac number, because 74001001673231 - 2² = 74001001673227 is a prime.

It is a super-2 number, since 2×74001001673231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74001001673191 and 74001001673200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74001001673233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523281836 + ... + 523423233.

It is an arithmetic number, because the mean of its divisors is an integer number (6599475466350).

Almost surely, 2^{74001001673231} is an apocalyptic number.

74001001673231 is a deficient number, since it is larger than the sum of its proper divisors (5192703922969).

74001001673231 is a wasteful number, since it uses less digits than its factorization.

74001001673231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046705210 (or 1046705149 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

Adding to 74001001673231 its reverse (13237610010047), we get a palindrome (87238611683278).

The spelling of 74001001673231 in words is "seventy-four trillion, one billion, one million, six hundred seventy-three thousand, two hundred thirty-one".