65040790 has 16 divisors (see below), whose sum is σ = 120850560. Its totient is φ = 25176960.

The previous prime is 65040751. The next prime is 65040799. The reversal of 65040790 is 9704056.

65040790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65040799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104595 + ... + 105214.

It is an arithmetic number, because the mean of its divisors is an integer number (7553160).

Almost surely, 2^65040790 is an apocalyptic number.

65040790 is a deficient number, since it is larger than the sum of its proper divisors (55809770).

65040790 is a wasteful number, since it uses less digits than its factorization.

65040790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209847.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 65040790 is about 8064.7870399658. The cubic root of 65040790 is about 402.1566636072.

The spelling of 65040790 in words is "sixty-five million, forty thousand, seven hundred ninety".