64279448 has 16 divisors (see below), whose sum is σ = 127613880. Its totient is φ = 30249088.

The previous prime is 64279447. The next prime is 64279477. The reversal of 64279448 is 84497246.

It is a junction number, because it is equal to n+sod(n) for n = 64279399 and 64279408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64279447) 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, 236186 + ... + 236457.

Almost surely, 2^64279448 is an apocalyptic number.

64279448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64279448 is a deficient number, since it is larger than the sum of its proper divisors (63334432).

64279448 is a wasteful number, since it uses less digits than its factorization.

64279448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472666 (or 472662 counting only the distinct ones).

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

The square root of 64279448 is about 8017.4464762791. The cubic root of 64279448 is about 400.5813380392.

The spelling of 64279448 in words is "sixty-four million, two hundred seventy-nine thousand, four hundred forty-eight".