74261191426 has 16 divisors (see below), whose sum is σ = 118323504000. Its totient is φ = 34834070080.

The previous prime is 74261191357. The next prime is 74261191429. The reversal of 74261191426 is 62419116247.

It is not an unprimeable number, because it can be changed into a prime (74261191429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500926 + ... + 3522073.

It is an arithmetic number, because the mean of its divisors is an integer number (7395219000).

Almost surely, 2^74261191426 is an apocalyptic number.

74261191426 is a deficient number, since it is larger than the sum of its proper divisors (44062312574).

74261191426 is a wasteful number, since it uses less digits than its factorization.

74261191426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023329.

The product of its digits is 145152, while the sum is 43.

The spelling of 74261191426 in words is "seventy-four billion, two hundred sixty-one million, one hundred ninety-one thousand, four hundred twenty-six".