65045740 has 48 divisors (see below), whose sum is σ = 152258400. Its totient is φ = 23196672.

The previous prime is 65045711. The next prime is 65045749. The reversal of 65045740 is 4754056.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65045749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426 + ... + 11494.

It is an arithmetic number, because the mean of its divisors is an integer number (3172050).

Almost surely, 2^65045740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65045740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76129200).

65045740 is an abundant number, since it is smaller than the sum of its proper divisors (87212660).

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

65045740 is a wasteful number, since it uses less digits than its factorization.

65045740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114 (or 10112 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 65045740 is about 8065.0939238176. The cubic root of 65045740 is about 402.1668655383.

Adding to 65045740 its reverse (4754056), we get a palindrome (69799796).

The spelling of 65045740 in words is "sixty-five million, forty-five thousand, seven hundred forty".