64736227 has 2 divisors, whose sum is σ = 64736228. Its totient is φ = 64736226.

The previous prime is 64736159. The next prime is 64736233. The reversal of 64736227 is 72263746.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64736227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64736627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32368113 + 32368114.

It is an arithmetic number, because the mean of its divisors is an integer number (32368114).

Almost surely, 2^64736227 is an apocalyptic number.

64736227 is a deficient number, since it is larger than the sum of its proper divisors (1).

64736227 is an equidigital number, since it uses as much as digits as its factorization.

64736227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 64736227 is about 8045.8826116219. The cubic root of 64736227 is about 401.5279621473.

It can be divided in two parts, 64 and 736227, that added together give a triangular number (736291 = T₁₂₁₃).

The spelling of 64736227 in words is "sixty-four million, seven hundred thirty-six thousand, two hundred twenty-seven".