73655228 has 6 divisors (see below), whose sum is σ = 128896656. Its totient is φ = 36827612.

The previous prime is 73655227. The next prime is 73655249. The reversal of 73655228 is 82255637.

It is a super-2 number, since 2×73655228² = 10850185223463968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73655191 and 73655200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73655221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9206900 + ... + 9206907.

It is an arithmetic number, because the mean of its divisors is an integer number (21482776).

Almost surely, 2^73655228 is an apocalyptic number.

It is an amenable number.

73655228 is a deficient number, since it is larger than the sum of its proper divisors (55241428).

73655228 is a wasteful number, since it uses less digits than its factorization.

73655228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18413811 (or 18413809 counting only the distinct ones).

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

The square root of 73655228 is about 8582.2624056830. The cubic root of 73655228 is about 419.1806171598.

The spelling of 73655228 in words is "seventy-three million, six hundred fifty-five thousand, two hundred twenty-eight".