73218786060 has 72 divisors (see below), whose sum is σ = 238484055600. Its totient is φ = 16735721856.

The previous prime is 73218786059. The next prime is 73218786071. The reversal of 73218786060 is 6068781237.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12449235 + ... + 12455114.

It is an arithmetic number, because the mean of its divisors is an integer number (3312278550).

Almost surely, 2^73218786060 is an apocalyptic number.

73218786060 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73218786060 is an abundant number, since it is smaller than the sum of its proper divisors (165265269540).

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

73218786060 is a wasteful number, since it uses less digits than its factorization.

73218786060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24904375 (or 24904366 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 73218786060 in words is "seventy-three billion, two hundred eighteen million, seven hundred eighty-six thousand, sixty".