64738229 has 2 divisors, whose sum is σ = 64738230. Its totient is φ = 64738228.

The previous prime is 64738217. The next prime is 64738241. The reversal of 64738229 is 92283746.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (64738217) and next prime (64738241).

It can be written as a sum of positive squares in only one way, i.e., 55726225 + 9012004 = 7465^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 64738229 - 2⁴ = 64738213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64738249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32369114 + 32369115.

It is an arithmetic number, because the mean of its divisors is an integer number (32369115).

Almost surely, 2^64738229 is an apocalyptic number.

It is an amenable number.

64738229 is a deficient number, since it is larger than the sum of its proper divisors (1).

64738229 is an equidigital number, since it uses as much as digits as its factorization.

64738229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 64738229 is about 8046.0070221197. The cubic root of 64738229 is about 401.5321012553.

The spelling of 64738229 in words is "sixty-four million, seven hundred thirty-eight thousand, two hundred twenty-nine".