73873628 has 6 divisors (see below), whose sum is σ = 129278856. Its totient is φ = 36936812.

The previous prime is 73873609. The next prime is 73873633. The reversal of 73873628 is 82637837.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9234200 + ... + 9234207.

It is an arithmetic number, because the mean of its divisors is an integer number (21546476).

Almost surely, 2^73873628 is an apocalyptic number.

It is an amenable number.

73873628 is a deficient number, since it is larger than the sum of its proper divisors (55405228).

73873628 is a wasteful number, since it uses less digits than its factorization.

73873628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18468411 (or 18468409 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 73873628 is about 8594.9769051464. The cubic root of 73873628 is about 419.5945217437.

The spelling of 73873628 in words is "seventy-three million, eight hundred seventy-three thousand, six hundred twenty-eight".