64739283 has 32 divisors (see below), whose sum is σ = 100818432. Its totient is φ = 36192000.

The previous prime is 64739261. The next prime is 64739299. The reversal of 64739283 is 38293746.

It is not a de Polignac number, because 64739283 - 2¹³ = 64731091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64739243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277735 + ... + 277967.

It is an arithmetic number, because the mean of its divisors is an integer number (3150576).

Almost surely, 2^64739283 is an apocalyptic number.

64739283 is a deficient number, since it is larger than the sum of its proper divisors (36079149).

64739283 is a wasteful number, since it uses less digits than its factorization.

64739283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its digits is 217728, while the sum is 42.

The square root of 64739283 is about 8046.0725201803. The cubic root of 64739283 is about 401.5342803518.

The spelling of 64739283 in words is "sixty-four million, seven hundred thirty-nine thousand, two hundred eighty-three".