73000026752 has 32 divisors (see below), whose sum is σ = 149360284020. Its totient is φ = 35513524224.

The previous prime is 73000026739. The next prime is 73000026769. The reversal of 73000026752 is 25762000037.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69093276736 + 3906750016 = 262856^2 + 62504^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

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 in 3 ways as a sum of consecutive naturals, for example, 7702193 + ... + 7711664.

Almost surely, 2^73000026752 is an apocalyptic number.

It is an amenable number.

73000026752 is an abundant number, since it is smaller than the sum of its proper divisors (76360257268).

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

73000026752 is a wasteful number, since it uses less digits than its factorization.

73000026752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15413908 (or 15413896 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

Adding to 73000026752 its reverse (25762000037), we get a palindrome (98762026789).

The spelling of 73000026752 in words is "seventy-three billion, twenty-six thousand, seven hundred fifty-two".