64264427 has 4 divisors (see below), whose sum is σ = 64289376. Its totient is φ = 64239480.

The previous prime is 64264423. The next prime is 64264531. The reversal of 64264427 is 72446246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72446246 = 2 ⋅36223123.

It is a cyclic number.

It is not a de Polignac number, because 64264427 - 2² = 64264423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64264423) 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, 8099 + ... + 13932.

It is an arithmetic number, because the mean of its divisors is an integer number (16072344).

Almost surely, 2^64264427 is an apocalyptic number.

64264427 is a deficient number, since it is larger than the sum of its proper divisors (24949).

64264427 is a wasteful number, since it uses less digits than its factorization.

64264427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24948.

The product of its digits is 64512, while the sum is 35.

The square root of 64264427 is about 8016.5096519620. The cubic root of 64264427 is about 400.5501326217.

The spelling of 64264427 in words is "sixty-four million, two hundred sixty-four thousand, four hundred twenty-seven".