65437612 has 6 divisors (see below), whose sum is σ = 114515828. Its totient is φ = 32718804.

The previous prime is 65437591. The next prime is 65437613. The reversal of 65437612 is 21673456.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65437613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8179698 + ... + 8179705.

Almost surely, 2^65437612 is an apocalyptic number.

It is an amenable number.

65437612 is a deficient number, since it is larger than the sum of its proper divisors (49078216).

65437612 is a wasteful number, since it uses less digits than its factorization.

65437612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16359407 (or 16359405 counting only the distinct ones).

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

The square root of 65437612 is about 8089.3517663655. The cubic root of 65437612 is about 402.9728752932.

It can be divided in two parts, 65437 and 612, that added together give a square (66049 = 257²).

The spelling of 65437612 in words is "sixty-five million, four hundred thirty-seven thousand, six hundred twelve".