73145877652 has 24 divisors (see below), whose sum is σ = 130483785600. Its totient is φ = 35870394816.

The previous prime is 73145877617. The next prime is 73145877653. The reversal of 73145877652 is 25677854137.

It is a junction number, because it is equal to n+sod(n) for n = 73145877593 and 73145877602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73145877653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647452 + ... + 751987.

It is an arithmetic number, because the mean of its divisors is an integer number (5436824400).

Almost surely, 2^73145877652 is an apocalyptic number.

It is an amenable number.

73145877652 is a deficient number, since it is larger than the sum of its proper divisors (57337907948).

73145877652 is a wasteful number, since it uses less digits than its factorization.

73145877652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399695 (or 1399693 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 55.

The spelling of 73145877652 in words is "seventy-three billion, one hundred forty-five million, eight hundred seventy-seven thousand, six hundred fifty-two".