7880382 has 16 divisors (see below), whose sum is σ = 17512080. Its totient is φ = 2626776.

The previous prime is 7880359. The next prime is 7880387. The reversal of 7880382 is 2830887.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7880387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72913 + ... + 73020.

It is an arithmetic number, because the mean of its divisors is an integer number (1094505).

Almost surely, 2^7880382 is an apocalyptic number.

7880382 is an abundant number, since it is smaller than the sum of its proper divisors (9631698).

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

7880382 is a wasteful number, since it uses less digits than its factorization.

7880382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145944 (or 145938 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 7880382 is about 2807.2018096318. The cubic root of 7880382 is about 198.9981734300.

The spelling of 7880382 in words is "seven million, eight hundred eighty thousand, three hundred eighty-two".