73227056280 has 256 divisors, whose sum is σ = 259708032000. Its totient is φ = 16507653120.

The previous prime is 73227056269. The next prime is 73227056281. The reversal of 73227056280 is 8265072237.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73227056281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2992495 + ... + 3016865.

It is an arithmetic number, because the mean of its divisors is an integer number (1014484500).

Almost surely, 2^73227056280 is an apocalyptic number.

73227056280 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 73227056280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129854016000).

73227056280 is an abundant number, since it is smaller than the sum of its proper divisors (186480975720).

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

73227056280 is a wasteful number, since it uses less digits than its factorization.

73227056280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24479 (or 24461 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 73227056280 in words is "seventy-three billion, two hundred twenty-seven million, fifty-six thousand, two hundred eighty".