64272434 has 8 divisors (see below), whose sum is σ = 96526080. Its totient is φ = 32097076.

The previous prime is 64272433. The next prime is 64272449. The reversal of 64272434 is 43427246.

64272434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64272434.

It is not an unprimeable number, because it can be changed into a prime (64272431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17474 + ... + 20829.

It is an arithmetic number, because the mean of its divisors is an integer number (12065760).

Almost surely, 2^64272434 is an apocalyptic number.

64272434 is a deficient number, since it is larger than the sum of its proper divisors (32253646).

64272434 is a wasteful number, since it uses less digits than its factorization.

64272434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39144.

The product of its digits is 32256, while the sum is 32.

The square root of 64272434 is about 8017.0090432779. The cubic root of 64272434 is about 400.5667673909.

The spelling of 64272434 in words is "sixty-four million, two hundred seventy-two thousand, four hundred thirty-four".