73725517052 has 48 divisors (see below), whose sum is σ = 142149821184. Its totient is φ = 33178656000.

The previous prime is 73725517043. The next prime is 73725517123. The reversal of 73725517052 is 25071552737.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 73725516994 and 73725517012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4820177 + ... + 4835447.

It is an arithmetic number, because the mean of its divisors is an integer number (2961454608).

Almost surely, 2^73725517052 is an apocalyptic number.

It is an amenable number.

73725517052 is a deficient number, since it is larger than the sum of its proper divisors (68424304132).

73725517052 is a wasteful number, since it uses less digits than its factorization.

73725517052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16370 (or 16368 counting only the distinct ones).

The product of its (nonzero) digits is 514500, while the sum is 44.

The spelling of 73725517052 in words is "seventy-three billion, seven hundred twenty-five million, five hundred seventeen thousand, fifty-two".