73928 has 8 divisors (see below), whose sum is σ = 138630. Its totient is φ = 36960.

The previous prime is 73907. The next prime is 73939. The reversal of 73928 is 82937.

It can be written as a sum of positive squares in only one way, i.e., 40804 + 33124 = 202^2 + 182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 73928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4613 + ... + 4628.

2⁷³⁹²⁸ is an apocalyptic number.

It is an amenable number.

73928 is a deficient number, since it is larger than the sum of its proper divisors (64702).

73928 is a wasteful number, since it uses less digits than its factorization.

73928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247 (or 9243 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 73928 is about 271.8970393366. The cubic root of 73928 is about 41.9697438933.

Subtracting 73928 from its reverse (82937), we obtain a palindrome (9009).

It can be divided in two parts, 739 and 28, that added together give a palindrome (767).

The spelling of 73928 in words is "seventy-three thousand, nine hundred twenty-eight".