64477248 has 56 divisors (see below), whose sum is σ = 186110880. Its totient is φ = 19537920.

The previous prime is 64477229. The next prime is 64477261. The reversal of 64477248 is 84277446.

64477248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13153 + ... + 17376.

Almost surely, 2^64477248 is an apocalyptic number.

It is an amenable number.

64477248 is an abundant number, since it is smaller than the sum of its proper divisors (121633632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64477248 is a wasteful number, since it uses less digits than its factorization.

64477248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30555 (or 30545 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 64477248 is about 8029.7725995199. The cubic root of 64477248 is about 400.9918054391.

It can be divided in two parts, 6447 and 7248, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 64477248 in words is "sixty-four million, four hundred seventy-seven thousand, two hundred forty-eight".