65040750 has 96 divisors (see below), whose sum is σ = 177993504. Its totient is φ = 17136000.

The previous prime is 65040733. The next prime is 65040751. The reversal of 65040750 is 5704056.

65040750 is a `hidden beast` number, since 650 + 4 + 0 + 7 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65040751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308145 + ... + 308355.

It is an arithmetic number, because the mean of its divisors is an integer number (1854099).

Almost surely, 2^65040750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65040750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88996752).

65040750 is an abundant number, since it is smaller than the sum of its proper divisors (112952754).

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

65040750 is a wasteful number, since it uses less digits than its factorization.

65040750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 65040750 is about 8064.7845600487. The cubic root of 65040750 is about 402.1565811652.

The spelling of 65040750 in words is "sixty-five million, forty thousand, seven hundred fifty".