65874340 has 24 divisors (see below), whose sum is σ = 158098752. Its totient is φ = 22585440.

The previous prime is 65874317. The next prime is 65874343. The reversal of 65874340 is 4347856.

It is a self number, because there is not a number n which added to its sum of digits gives 65874340.

It is not an unprimeable number, because it can be changed into a prime (65874343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235126 + ... + 235405.

It is an arithmetic number, because the mean of its divisors is an integer number (6587448).

Almost surely, 2^65874340 is an apocalyptic number.

It is an amenable number.

65874340 is an abundant number, since it is smaller than the sum of its proper divisors (92224412).

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

65874340 is a wasteful number, since it uses less digits than its factorization.

65874340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470547 (or 470545 counting only the distinct ones).

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

The square root of 65874340 is about 8116.3008815593. The cubic root of 65874340 is about 403.8673632491.

The spelling of 65874340 in words is "sixty-five million, eight hundred seventy-four thousand, three hundred forty".