73237802012 has 6 divisors (see below), whose sum is σ = 128166153528. Its totient is φ = 36618901004.

The previous prime is 73237801997. The next prime is 73237802083. The reversal of 73237802012 is 21020873237.

It is a happy number.

It is a super-2 number, since 2×73237802012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9154725248 + ... + 9154725255.

It is an arithmetic number, because the mean of its divisors is an integer number (21361025588).

Almost surely, 2^73237802012 is an apocalyptic number.

It is an amenable number.

73237802012 is a deficient number, since it is larger than the sum of its proper divisors (54928351516).

73237802012 is a wasteful number, since it uses less digits than its factorization.

73237802012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18309450507 (or 18309450505 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 73237802012 in words is "seventy-three billion, two hundred thirty-seven million, eight hundred two thousand, twelve".