64744934 has 8 divisors (see below), whose sum is σ = 97245360. Its totient is φ = 32329816.

The previous prime is 64744921. The next prime is 64744937. The reversal of 64744934 is 43944746.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64744891 and 64744900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64744937) 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 3 ways as a sum of consecutive naturals, for example, 19394 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (12155670).

Almost surely, 2^64744934 is an apocalyptic number.

64744934 is a deficient number, since it is larger than the sum of its proper divisors (32500426).

64744934 is a wasteful number, since it uses less digits than its factorization.

64744934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42654.

The product of its digits is 290304, while the sum is 41.

The square root of 64744934 is about 8046.4236776347. The cubic root of 64744934 is about 401.5459631307.

The spelling of 64744934 in words is "sixty-four million, seven hundred forty-four thousand, nine hundred thirty-four".