73144264252 has 12 divisors (see below), whose sum is σ = 128008114416. Its totient is φ = 36570517280.

The previous prime is 73144264189. The next prime is 73144264253. The reversal of 73144264252 is 25246244137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73144264253) 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 3 ways as a sum of consecutive naturals, for example, 298768 + ... + 485335.

It is an arithmetic number, because the mean of its divisors is an integer number (10667342868).

Almost surely, 2^73144264252 is an apocalyptic number.

It is an amenable number.

73144264252 is a deficient number, since it is larger than the sum of its proper divisors (54863850164).

73144264252 is a wasteful number, since it uses less digits than its factorization.

73144264252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807428 (or 807426 counting only the distinct ones).

The product of its digits is 322560, while the sum is 40.

The spelling of 73144264252 in words is "seventy-three billion, one hundred forty-four million, two hundred sixty-four thousand, two hundred fifty-two".