74861796246 has 32 divisors (see below), whose sum is σ = 152388656640. Its totient is φ = 24512962656.

The previous prime is 74861796227. The next prime is 74861796259. The reversal of 74861796246 is 64269716847.

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 74861796246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307476 + ... + 494231.

It is an arithmetic number, because the mean of its divisors is an integer number (4762145520).

Almost surely, 2^74861796246 is an apocalyptic number.

74861796246 is an abundant number, since it is smaller than the sum of its proper divisors (77526860394).

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

74861796246 is a wasteful number, since it uses less digits than its factorization.

74861796246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801988.

The product of its digits is 24385536, while the sum is 60.

The spelling of 74861796246 in words is "seventy-four billion, eight hundred sixty-one million, seven hundred ninety-six thousand, two hundred forty-six".