227736906273 has 12 divisors (see below), whose sum is σ = 328970339620. Its totient is φ = 151816743936.

The previous prime is 227736906253. The next prime is 227736906311. The reversal of 227736906273 is 372609637722.

227736906273 is a `hidden beast` number, since 2 + 2 + 7 + 7 + 3 + 6 + 9 + 0 + 627 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 207774607329 + 19962298944 = 455823^2 + 141288^2 .

It is not a de Polignac number, because 227736906273 - 2⁶ = 227736906209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227736906223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468736 + ... + 821697.

Almost surely, 2^227736906273 is an apocalyptic number.

It is an amenable number.

227736906273 is a deficient number, since it is larger than the sum of its proper divisors (101233433347).

227736906273 is a wasteful number, since it uses less digits than its factorization.

227736906273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310048 (or 1310045 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 54.

The spelling of 227736906273 in words is "two hundred twenty-seven billion, seven hundred thirty-six million, nine hundred six thousand, two hundred seventy-three".