64849738 has 16 divisors (see below), whose sum is σ = 98784000. Its totient is φ = 31925376.

The previous prime is 64849721. The next prime is 64849739. The reversal of 64849738 is 83794846.

It is a junction number, because it is equal to n+sod(n) for n = 64849691 and 64849700.

It is not an unprimeable number, because it can be changed into a prime (64849739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42513 + ... + 44011.

It is an arithmetic number, because the mean of its divisors is an integer number (6174000).

Almost surely, 2^64849738 is an apocalyptic number.

64849738 is a deficient number, since it is larger than the sum of its proper divisors (33934262).

64849738 is a wasteful number, since it uses less digits than its factorization.

64849738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821.

The product of its digits is 1161216, while the sum is 49.

The square root of 64849738 is about 8052.9335027678. The cubic root of 64849738 is about 401.7625099898.

The spelling of 64849738 in words is "sixty-four million, eight hundred forty-nine thousand, seven hundred thirty-eight".