74871306844 has 6 divisors (see below), whose sum is σ = 131024786984. Its totient is φ = 37435653420.

The previous prime is 74871306841. The next prime is 74871306943. The reversal of 74871306844 is 44860317847.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74871306791 and 74871306800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74871306841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9358913352 + ... + 9358913359.

Almost surely, 2^74871306844 is an apocalyptic number.

It is an amenable number.

74871306844 is a deficient number, since it is larger than the sum of its proper divisors (56153480140).

74871306844 is a wasteful number, since it uses less digits than its factorization.

74871306844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18717826715 (or 18717826713 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 74871306844 in words is "seventy-four billion, eight hundred seventy-one million, three hundred six thousand, eight hundred forty-four".