73801225782 has 24 divisors (see below), whose sum is σ = 159907771296. Its totient is φ = 24599621616.

The previous prime is 73801225753. The next prime is 73801225783. The reversal of 73801225782 is 28752210837.

73801225782 is a `hidden beast` number, since 7 + 380 + 12 + 257 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73801225783) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 885448 + ... + 965204.

It is an arithmetic number, because the mean of its divisors is an integer number (6662823804).

Almost surely, 2^73801225782 is an apocalyptic number.

73801225782 is an abundant number, since it is smaller than the sum of its proper divisors (86106545514).

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

73801225782 is a wasteful number, since it uses less digits than its factorization.

73801225782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131172 (or 131169 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 73801225782 in words is "seventy-three billion, eight hundred one million, two hundred twenty-five thousand, seven hundred eighty-two".