74112421154 has 32 divisors (see below), whose sum is σ = 115237805760. Its totient is φ = 35725338432.

The previous prime is 74112421139. The next prime is 74112421177. The reversal of 74112421154 is 45112421147.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74112421154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2050124 + ... + 2085960.

It is an arithmetic number, because the mean of its divisors is an integer number (3601181430).

Almost surely, 2^74112421154 is an apocalyptic number.

74112421154 is a deficient number, since it is larger than the sum of its proper divisors (41125384606).

74112421154 is a wasteful number, since it uses less digits than its factorization.

74112421154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36194.

The product of its digits is 8960, while the sum is 32.

The spelling of 74112421154 in words is "seventy-four billion, one hundred twelve million, four hundred twenty-one thousand, one hundred fifty-four".