73786228 has 12 divisors (see below), whose sum is σ = 129618720. Its totient is φ = 36752312.

The previous prime is 73786211. The next prime is 73786241. The reversal of 73786228 is 82268737.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34018 + ... + 36121.

It is an arithmetic number, because the mean of its divisors is an integer number (10801560).

Almost surely, 2^73786228 is an apocalyptic number.

It is an amenable number.

73786228 is a deficient number, since it is larger than the sum of its proper divisors (55832492).

73786228 is a wasteful number, since it uses less digits than its factorization.

73786228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70406 (or 70404 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 73786228 is about 8589.8910353974. The cubic root of 73786228 is about 419.4289821406.

The spelling of 73786228 in words is "seventy-three million, seven hundred eighty-six thousand, two hundred twenty-eight".