64382738 has 16 divisors (see below), whose sum is σ = 113354304. Its totient is φ = 26846640.

The previous prime is 64382719. The next prime is 64382741. The reversal of 64382738 is 83728346.

It is a junction number, because it is equal to n+sod(n) for n = 64382695 and 64382704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61628 + ... + 62663.

It is an arithmetic number, because the mean of its divisors is an integer number (7084644).

Almost surely, 2^64382738 is an apocalyptic number.

64382738 is a deficient number, since it is larger than the sum of its proper divisors (48971566).

64382738 is a wasteful number, since it uses less digits than its factorization.

64382738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124337.

The product of its digits is 193536, while the sum is 41.

The square root of 64382738 is about 8023.8854677768. The cubic root of 64382738 is about 400.7957865927.

The spelling of 64382738 in words is "sixty-four million, three hundred eighty-two thousand, seven hundred thirty-eight".