73985428 has 24 divisors (see below), whose sum is σ = 149554944. Its totient is φ = 31651200.

The previous prime is 73985407. The next prime is 73985441. The reversal of 73985428 is 82458937.

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 7 ways as a sum of consecutive naturals, for example, 48708 + ... + 50203.

It is an arithmetic number, because the mean of its divisors is an integer number (6231456).

Almost surely, 2^73985428 is an apocalyptic number.

It is an amenable number.

73985428 is an abundant number, since it is smaller than the sum of its proper divisors (75569516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73985428 is a wasteful number, since it uses less digits than its factorization.

73985428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98943 (or 98941 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 73985428 is about 8601.4782450460. The cubic root of 73985428 is about 419.8060858426.

The spelling of 73985428 in words is "seventy-three million, nine hundred eighty-five thousand, four hundred twenty-eight".