73807085181572 has 12 divisors (see below), whose sum is σ = 130179425832960. Its totient is φ = 36612963515016.

The previous prime is 73807085181553. The next prime is 73807085181589. The reversal of 73807085181572 is 27518158070837.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72644768372 + ... + 72644769387.

It is an arithmetic number, because the mean of its divisors is an integer number (10848285486080).

Almost surely, 2^{73807085181572} is an apocalyptic number.

It is an amenable number.

73807085181572 is a deficient number, since it is larger than the sum of its proper divisors (56372340651388).

73807085181572 is a wasteful number, since it uses less digits than its factorization.

73807085181572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145289537890 (or 145289537888 counting only the distinct ones).

The product of its (nonzero) digits is 26342400, while the sum is 62.

The spelling of 73807085181572 in words is "seventy-three trillion, eight hundred seven billion, eighty-five million, one hundred eighty-one thousand, five hundred seventy-two".