73261831638152 has 32 divisors (see below), whose sum is σ = 143187444100800. Its totient is φ = 35097797716800.

The previous prime is 73261831638097. The next prime is 73261831638157. The reversal of 73261831638152 is 25183613816237.

It is not an unprimeable number, because it can be changed into a prime (73261831638157) 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 7 ways as a sum of consecutive naturals, for example, 1205251124 + ... + 1205311907.

It is an arithmetic number, because the mean of its divisors is an integer number (4474607628150).

Almost surely, 2^{73261831638152} is an apocalyptic number.

It is an amenable number.

73261831638152 is a deficient number, since it is larger than the sum of its proper divisors (69925612462648).

73261831638152 is a wasteful number, since it uses less digits than its factorization.

73261831638152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410563197 (or 2410563193 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The spelling of 73261831638152 in words is "seventy-three trillion, two hundred sixty-one billion, eight hundred thirty-one million, six hundred thirty-eight thousand, one hundred fifty-two".