65404738 has 8 divisors (see below), whose sum is σ = 112122432. Its totient is φ = 28030596.

The previous prime is 65404721. The next prime is 65404741. The reversal of 65404738 is 83740456.

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 = 65404697 and 65404706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335870 + ... + 2335897.

It is an arithmetic number, because the mean of its divisors is an integer number (14015304).

Almost surely, 2^65404738 is an apocalyptic number.

65404738 is a deficient number, since it is larger than the sum of its proper divisors (46717694).

65404738 is a wasteful number, since it uses less digits than its factorization.

65404738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671776.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 65404738 is about 8087.3195806769. The cubic root of 65404738 is about 402.9053832761.

The spelling of 65404738 in words is "sixty-five million, four hundred four thousand, seven hundred thirty-eight".