74091836146 has 32 divisors (see below), whose sum is σ = 114953477760. Its totient is φ = 35788697856.

The previous prime is 74091836113. The next prime is 74091836153. The reversal of 74091836146 is 64163819047.

It is a self number, because there is not a number n which added to its sum of digits gives 74091836146.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15907450 + ... + 15912106.

It is an arithmetic number, because the mean of its divisors is an integer number (3592296180).

Almost surely, 2^74091836146 is an apocalyptic number.

74091836146 is a deficient number, since it is larger than the sum of its proper divisors (40861641614).

74091836146 is a wasteful number, since it uses less digits than its factorization.

74091836146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 74091836146 in words is "seventy-four billion, ninety-one million, eight hundred thirty-six thousand, one hundred forty-six".