73671870854 has 32 divisors (see below), whose sum is σ = 118800906336. Its totient is φ = 34138368000.

The previous prime is 73671870841. The next prime is 73671870887. The reversal of 73671870854 is 45807817637.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73671870854.

It is a congruent number.

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, 8180354 + ... + 8189354.

It is an arithmetic number, because the mean of its divisors is an integer number (3712528323).

Almost surely, 2^73671870854 is an apocalyptic number.

73671870854 is a deficient number, since it is larger than the sum of its proper divisors (45129035482).

73671870854 is a wasteful number, since it uses less digits than its factorization.

73671870854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12680.

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 73671870854 in words is "seventy-three billion, six hundred seventy-one million, eight hundred seventy thousand, eight hundred fifty-four".