65340312 has 48 divisors (see below), whose sum is σ = 168849720. Its totient is φ = 21070080.

The previous prime is 65340287. The next prime is 65340337. The reversal of 65340312 is 21304356.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65340287) and next prime (65340337).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21648 + ... + 24480.

Almost surely, 2^65340312 is an apocalyptic number.

65340312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65340312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84424860).

65340312 is an abundant number, since it is smaller than the sum of its proper divisors (103509408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65340312 is a wasteful number, since it uses less digits than its factorization.

65340312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 65340312 is about 8083.3354501715. The cubic root of 65340312 is about 402.7730477567.

Adding to 65340312 its reverse (21304356), we get a palindrome (86644668).

The spelling of 65340312 in words is "sixty-five million, three hundred forty thousand, three hundred twelve".