73227167780 has 48 divisors (see below), whose sum is σ = 165641991984. Its totient is φ = 27031856640.

The previous prime is 73227167777. The next prime is 73227167789. The reversal of 73227167780 is 8776172237.

It can be written as a sum of positive squares in 8 ways, for example, as 2292302884 + 70934864896 = 47878^2 + 266336^2 .

It is not an unprimeable number, because it can be changed into a prime (73227167789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277414 + ... + 1333506.

It is an arithmetic number, because the mean of its divisors is an integer number (3450874833).

Almost surely, 2^73227167780 is an apocalyptic number.

It is an amenable number.

73227167780 is an abundant number, since it is smaller than the sum of its proper divisors (92414824204).

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

73227167780 is a wasteful number, since it uses less digits than its factorization.

73227167780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61136 (or 61134 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 73227167780 in words is "seventy-three billion, two hundred twenty-seven million, one hundred sixty-seven thousand, seven hundred eighty".