65748140 has 24 divisors (see below), whose sum is σ = 138311712. Its totient is φ = 26253440.

The previous prime is 65748119. The next prime is 65748157. The reversal of 65748140 is 4184756.

It is a self number, because there is not a number n which added to its sum of digits gives 65748140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10400 + ... + 15480.

It is an arithmetic number, because the mean of its divisors is an integer number (5762988).

Almost surely, 2^65748140 is an apocalyptic number.

It is an amenable number.

65748140 is an abundant number, since it is smaller than the sum of its proper divisors (72563572).

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

65748140 is a wasteful number, since it uses less digits than its factorization.

65748140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737 (or 5735 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 65748140 is about 8108.5226767889. The cubic root of 65748140 is about 403.6092928907.

The spelling of 65748140 in words is "sixty-five million, seven hundred forty-eight thousand, one hundred forty".