65741240 has 32 divisors (see below), whose sum is σ = 148171680. Its totient is φ = 26251392.

The previous prime is 65741239. The next prime is 65741251. The reversal of 65741240 is 4214756.

It is a congruent number.

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, 31922 + ... + 33918.

It is an arithmetic number, because the mean of its divisors is an integer number (4630365).

Almost surely, 2^65741240 is an apocalyptic number.

It is an amenable number.

65741240 is an abundant number, since it is smaller than the sum of its proper divisors (82430440).

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

65741240 is a wasteful number, since it uses less digits than its factorization.

65741240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 65741240 is about 8108.0971873800. The cubic root of 65741240 is about 403.5951733453.

Adding to 65741240 its reverse (4214756), we get a palindrome (69955996).

The spelling of 65741240 in words is "sixty-five million, seven hundred forty-one thousand, two hundred forty".