64265727 has 8 divisors (see below), whose sum is σ = 85959216. Its totient is φ = 42708032.

The previous prime is 64265713. The next prime is 64265731. The reversal of 64265727 is 72756246.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64265727 - 2⁷ = 64265599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64265767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32838 + ... + 34739.

It is an arithmetic number, because the mean of its divisors is an integer number (10744902).

Almost surely, 2^64265727 is an apocalyptic number.

64265727 is a deficient number, since it is larger than the sum of its proper divisors (21693489).

64265727 is a wasteful number, since it uses less digits than its factorization.

64265727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67897.

The product of its digits is 141120, while the sum is 39.

The square root of 64265727 is about 8016.5907342211. The cubic root of 64265727 is about 400.5528335025.

The spelling of 64265727 in words is "sixty-four million, two hundred sixty-five thousand, seven hundred twenty-seven".