73780922880 has 360 divisors, whose sum is σ = 297246853332. Its totient is φ = 16863952896.

The previous prime is 73780922861. The next prime is 73780922921. The reversal of 73780922880 is 8822908737.

It can be written as a sum of positive squares in 2 ways, for example, as 72072919296 + 1708003584 = 268464^2 + 41328^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1096284 + ... + 1161636.

Almost surely, 2^73780922880 is an apocalyptic number.

73780922880 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 73780922880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148623426666).

73780922880 is an abundant number, since it is smaller than the sum of its proper divisors (223465930452).

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

73780922880 is a wasteful number, since it uses less digits than its factorization.

73780922880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65396 (or 65370 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 73780922880 in words is "seventy-three billion, seven hundred eighty million, nine hundred twenty-two thousand, eight hundred eighty".