73256528 has 20 divisors (see below), whose sum is σ = 142455540. Its totient is φ = 36493824.

The previous prime is 73256509. The next prime is 73256537. The reversal of 73256528 is 82565237.

It can be written as a sum of positive squares in 2 ways, for example, as 40857664 + 32398864 = 6392^2 + 5692^2 .

It is a super-2 number, since 2×73256528² = 10733037789229568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73256491 and 73256500.

It is a congruent number.

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, 3833 + ... + 12696.

It is an arithmetic number, because the mean of its divisors is an integer number (7122777).

Almost surely, 2^73256528 is an apocalyptic number.

It is an amenable number.

73256528 is a deficient number, since it is larger than the sum of its proper divisors (69199012).

73256528 is a wasteful number, since it uses less digits than its factorization.

73256528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16814 (or 16808 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 73256528 is about 8559.0027456474. The cubic root of 73256528 is about 418.4228986952.

The spelling of 73256528 in words is "seventy-three million, two hundred fifty-six thousand, five hundred twenty-eight".