64270129 has 16 divisors (see below), whose sum is σ = 80593920. Its totient is φ = 49790160.

The previous prime is 64270127. The next prime is 64270153. The reversal of 64270129 is 92107246.

It is not a de Polignac number, because 64270129 - 2¹ = 64270127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64270129.

It is not an unprimeable number, because it can be changed into a prime (64270127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11452 + ... + 16114.

It is an arithmetic number, because the mean of its divisors is an integer number (5037120).

Almost surely, 2^64270129 is an apocalyptic number.

It is an amenable number.

64270129 is a deficient number, since it is larger than the sum of its proper divisors (16323791).

64270129 is a wasteful number, since it uses less digits than its factorization.

64270129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 64270129 is about 8016.8652851348. The cubic root of 64270129 is about 400.5619788297.

The spelling of 64270129 in words is "sixty-four million, two hundred seventy thousand, one hundred twenty-nine".