73900928 has 16 divisors (see below), whose sum is σ = 147224760. Its totient is φ = 36950400.

The previous prime is 73900927. The next prime is 73900943. The reversal of 73900928 is 82900937.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×73900928² = 10922694318522368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73900891 and 73900900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73900927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288548 + ... + 288803.

Almost surely, 2^73900928 is an apocalyptic number.

It is an amenable number.

73900928 is a deficient number, since it is larger than the sum of its proper divisors (73323832).

73900928 is an equidigital number, since it uses as much as digits as its factorization.

73900928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577365 (or 577353 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 73900928 is about 8596.5648953521. The cubic root of 73900928 is about 419.6462024313.

Subtracting 73900928 from its reverse (82900937), we obtain a palindrome (9000009).

The spelling of 73900928 in words is "seventy-three million, nine hundred thousand, nine hundred twenty-eight".