7880380 has 12 divisors (see below), whose sum is σ = 16548840. Its totient is φ = 3152144.

The previous prime is 7880359. The next prime is 7880387. The reversal of 7880380 is 830887.

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 3 ways as a sum of consecutive naturals, for example, 196990 + ... + 197029.

It is an arithmetic number, because the mean of its divisors is an integer number (1379070).

Almost surely, 2^7880380 is an apocalyptic number.

It is an amenable number.

7880380 is an abundant number, since it is smaller than the sum of its proper divisors (8668460).

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

7880380 is a wasteful number, since it uses less digits than its factorization.

7880380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394028 (or 394026 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 7880380 is about 2807.2014534052. The cubic root of 7880380 is about 198.9981565951.

The spelling of 7880380 in words is "seven million, eight hundred eighty thousand, three hundred eighty".