74515921042836 has 96 divisors (see below), whose sum is σ = 226582348204800. Its totient is φ = 18496518211584.

The previous prime is 74515921042757. The next prime is 74515921042841. The reversal of 74515921042836 is 63824012951547.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2006982111 + ... + 2007019238.

It is an arithmetic number, because the mean of its divisors is an integer number (2360232793800).

It is a 2-persistent number, because it is pandigital, and so is 2⋅74515921042836 = 149031842085672, but 3⋅74515921042836 = 223547763128508 is not.

Almost surely, 2^{74515921042836} is an apocalyptic number.

It is an amenable number.

74515921042836 is an abundant number, since it is smaller than the sum of its proper divisors (152066427161964).

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

74515921042836 is a wasteful number, since it uses less digits than its factorization.

74515921042836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014001393 (or 4014001391 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 74515921042836 in words is "seventy-four trillion, five hundred fifteen billion, nine hundred twenty-one million, forty-two thousand, eight hundred thirty-six".