74091836145 has 16 divisors (see below), whose sum is σ = 119697881472. Its totient is φ = 39131998080.

The previous prime is 74091836113. The next prime is 74091836153. The reversal of 74091836145 is 54163819047.

It is not a de Polignac number, because 74091836145 - 2⁵ = 74091836113 is a prime.

It is a super-2 number, since 2×74091836145² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74091836094 and 74091836103.

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, 23976396 + ... + 23979485.

It is an arithmetic number, because the mean of its divisors is an integer number (7481117592).

Almost surely, 2^74091836145 is an apocalyptic number.

It is an amenable number.

74091836145 is a deficient number, since it is larger than the sum of its proper divisors (45606045327).

74091836145 is a wasteful number, since it uses less digits than its factorization.

74091836145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47955992.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 74091836145 in words is "seventy-four billion, ninety-one million, eight hundred thirty-six thousand, one hundred forty-five".