65963738 has 4 divisors (see below), whose sum is σ = 98945610. Its totient is φ = 32981868.

The previous prime is 65963713. The next prime is 65963741. The reversal of 65963738 is 83736956.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65334889 + 628849 = 8083^2 + 793^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65963692 and 65963701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16490933 + ... + 16490936.

Almost surely, 2^65963738 is an apocalyptic number.

65963738 is a deficient number, since it is larger than the sum of its proper divisors (32981872).

65963738 is a wasteful number, since it uses less digits than its factorization.

65963738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32981871.

The product of its digits is 816480, while the sum is 47.

The square root of 65963738 is about 8121.8063261814. The cubic root of 65963738 is about 404.0499766622.

The spelling of 65963738 in words is "sixty-five million, nine hundred sixty-three thousand, seven hundred thirty-eight".