65308738 has 16 divisors (see below), whose sum is σ = 112494240. Its totient is φ = 28123200.

The previous prime is 65308699. The next prime is 65308801. The reversal of 65308738 is 83780356.

It is a self number, because there is not a number n which added to its sum of digits gives 65308738.

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, 77703 + ... + 78538.

It is an arithmetic number, because the mean of its divisors is an integer number (7030890).

Almost surely, 2^65308738 is an apocalyptic number.

65308738 is a deficient number, since it is larger than the sum of its proper divisors (47185502).

65308738 is a wasteful number, since it uses less digits than its factorization.

65308738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156273.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 65308738 is about 8081.3821837604. The cubic root of 65308738 is about 402.7081607837.

It can be divided in two parts, 65 and 308738, that added together give a palindrome (308803).

The spelling of 65308738 in words is "sixty-five million, three hundred eight thousand, seven hundred thirty-eight".