64283320 has 16 divisors (see below), whose sum is σ = 144637560. Its totient is φ = 25713312.

The previous prime is 64283309. The next prime is 64283333. The reversal of 64283320 is 2338246.

It is a congruent number.

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, 803502 + ... + 803581.

Almost surely, 2^64283320 is an apocalyptic number.

It is an amenable number.

64283320 is an abundant number, since it is smaller than the sum of its proper divisors (80354240).

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

64283320 is a wasteful number, since it uses less digits than its factorization.

64283320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607094 (or 1607090 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 64283320 is about 8017.6879460353. The cubic root of 64283320 is about 400.5893811481.

The spelling of 64283320 in words is "sixty-four million, two hundred eighty-three thousand, three hundred twenty".