73818870608 has 20 divisors (see below), whose sum is σ = 163456070880. Its totient is φ = 31636658784.

The previous prime is 73818870569. The next prime is 73818870611. The reversal of 73818870608 is 80607881837.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329548418 + ... + 329548641.

It is an arithmetic number, because the mean of its divisors is an integer number (8172803544).

Almost surely, 2^73818870608 is an apocalyptic number.

It is an amenable number.

73818870608 is an abundant number, since it is smaller than the sum of its proper divisors (89637200272).

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

73818870608 is a wasteful number, since it uses less digits than its factorization.

73818870608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659097074 (or 659097068 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 73818870608 in words is "seventy-three billion, eight hundred eighteen million, eight hundred seventy thousand, six hundred eight".