7965780 has 24 divisors (see below), whose sum is σ = 22304352. Its totient is φ = 2124192.

The previous prime is 7965779. The next prime is 7965781. The reversal of 7965780 is 875697.

It is an interprime number because it is at equal distance from previous prime (7965779) and next prime (7965781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7965781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66322 + ... + 66441.

It is an arithmetic number, because the mean of its divisors is an integer number (929348).

Almost surely, 2^7965780 is an apocalyptic number.

It is an amenable number.

7965780 is an abundant number, since it is smaller than the sum of its proper divisors (14338572).

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

7965780 is a wasteful number, since it uses less digits than its factorization.

7965780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132775 (or 132773 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 7965780 is about 2822.3713433919. The cubic root of 7965780 is about 199.7144257642.

The spelling of 7965780 in words is "seven million, nine hundred sixty-five thousand, seven hundred eighty".