74905835394 has 16 divisors (see below), whose sum is σ = 161335645632. Its totient is φ = 23047949328.

The previous prime is 74905835371. The next prime is 74905835437. The reversal of 74905835394 is 49353850947.

It is a super-2 number, since 2×74905835394² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 480165534 + ... + 480165689.

It is an arithmetic number, because the mean of its divisors is an integer number (10083477852).

Almost surely, 2^74905835394 is an apocalyptic number.

74905835394 is an abundant number, since it is smaller than the sum of its proper divisors (86429810238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74905835394 is a wasteful number, since it uses less digits than its factorization.

74905835394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960331241.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 74905835394 in words is "seventy-four billion, nine hundred five million, eight hundred thirty-five thousand, three hundred ninety-four".