73228655 has 16 divisors (see below), whose sum is σ = 90347520. Its totient is φ = 56957472.

The previous prime is 73228637. The next prime is 73228663. The reversal of 73228655 is 55682237.

It is a cyclic number.

It is not a de Polignac number, because 73228655 - 2²² = 69034351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25082 + ... + 27848.

It is an arithmetic number, because the mean of its divisors is an integer number (5646720).

Almost surely, 2^73228655 is an apocalyptic number.

73228655 is a deficient number, since it is larger than the sum of its proper divisors (17118865).

73228655 is a wasteful number, since it uses less digits than its factorization.

73228655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its digits is 100800, while the sum is 38.

The square root of 73228655 is about 8557.3743052411. The cubic root of 73228655 is about 418.3698241035.

The spelling of 73228655 in words is "seventy-three million, two hundred twenty-eight thousand, six hundred fifty-five".