64740027 has 8 divisors (see below), whose sum is σ = 94167360. Its totient is φ = 39236360.

The previous prime is 64740019. The next prime is 64740037. The reversal of 64740027 is 72004746.

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 64740027 - 2³ = 64740019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64739976 and 64740003.

It is not an unprimeable number, because it can be changed into a prime (64740007) 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, 980877 + ... + 980942.

It is an arithmetic number, because the mean of its divisors is an integer number (11770920).

Almost surely, 2^64740027 is an apocalyptic number.

64740027 is a deficient number, since it is larger than the sum of its proper divisors (29427333).

64740027 is a wasteful number, since it uses less digits than its factorization.

64740027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961833.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 64740027 is about 8046.1187537843. The cubic root of 64740027 is about 401.5358185233.

The spelling of 64740027 in words is "sixty-four million, seven hundred forty thousand, twenty-seven".