65723038 has 16 divisors (see below), whose sum is σ = 102726144. Its totient is φ = 31501080.

The previous prime is 65722999. The next prime is 65723039. The reversal of 65723038 is 83032756.

It is a junction number, because it is equal to n+sod(n) for n = 65722994 and 65723012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65723039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1681 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (6420384).

Almost surely, 2^65723038 is an apocalyptic number.

65723038 is a deficient number, since it is larger than the sum of its proper divisors (37003106).

65723038 is a wasteful number, since it uses less digits than its factorization.

65723038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10047.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 65723038 is about 8106.9746514961. The cubic root of 65723038 is about 403.5579216525.

The spelling of 65723038 in words is "sixty-five million, seven hundred twenty-three thousand, thirty-eight".