64372127 has 4 divisors (see below), whose sum is σ = 65463240. Its totient is φ = 63281016.

The previous prime is 64372117. The next prime is 64372153. The reversal of 64372127 is 72127346.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64372127 - 2⁴ = 64372111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64372093 and 64372102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64372117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545468 + ... + 545585.

It is an arithmetic number, because the mean of its divisors is an integer number (16365810).

Almost surely, 2^64372127 is an apocalyptic number.

64372127 is a deficient number, since it is larger than the sum of its proper divisors (1091113).

64372127 is a wasteful number, since it uses less digits than its factorization.

64372127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091112.

The product of its digits is 14112, while the sum is 32.

The square root of 64372127 is about 8023.2242272044. The cubic root of 64372127 is about 400.7737668304.

The spelling of 64372127 in words is "sixty-four million, three hundred seventy-two thousand, one hundred twenty-seven".