73878232680 has 256 divisors, whose sum is σ = 282655526400. Its totient is φ = 16813578240.

The previous prime is 73878232651. The next prime is 73878232717. The reversal of 73878232680 is 8623287837.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 1740510 + ... + 1782450.

It is an arithmetic number, because the mean of its divisors is an integer number (1104123150).

Almost surely, 2^73878232680 is an apocalyptic number.

73878232680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73878232680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141327763200).

73878232680 is an abundant number, since it is smaller than the sum of its proper divisors (208777293720).

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

73878232680 is a wasteful number, since it uses less digits than its factorization.

73878232680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42201 (or 42191 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 73878232680 in words is "seventy-three billion, eight hundred seventy-eight million, two hundred thirty-two thousand, six hundred eighty".