65487340 has 12 divisors (see below), whose sum is σ = 137523456. Its totient is φ = 26194928.

The previous prime is 65487269. The next prime is 65487379. The reversal of 65487340 is 4378456.

It is a self number, because there is not a number n which added to its sum of digits gives 65487340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637164 + ... + 1637203.

It is an arithmetic number, because the mean of its divisors is an integer number (11460288).

Almost surely, 2^65487340 is an apocalyptic number.

It is an amenable number.

65487340 is an abundant number, since it is smaller than the sum of its proper divisors (72036116).

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

65487340 is a wasteful number, since it uses less digits than its factorization.

65487340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274376 (or 3274374 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 65487340 is about 8092.4248529103. The cubic root of 65487340 is about 403.0749264968.

The spelling of 65487340 in words is "sixty-five million, four hundred eighty-seven thousand, three hundred forty".