64427948 has 12 divisors (see below), whose sum is σ = 121422000. Its totient is φ = 29735952.

The previous prime is 64427903. The next prime is 64427963. The reversal of 64427948 is 84972446.

It is a junction number, because it is equal to n+sod(n) for n = 64427899 and 64427908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619448 + ... + 619551.

It is an arithmetic number, because the mean of its divisors is an integer number (10118500).

Almost surely, 2^64427948 is an apocalyptic number.

It is an amenable number.

64427948 is a deficient number, since it is larger than the sum of its proper divisors (56994052).

64427948 is a wasteful number, since it uses less digits than its factorization.

64427948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239016 (or 1239014 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 64427948 is about 8026.7021870753. The cubic root of 64427948 is about 400.8895784920.

The spelling of 64427948 in words is "sixty-four million, four hundred twenty-seven thousand, nine hundred forty-eight".