7678380 has 24 divisors (see below), whose sum is σ = 21499632. Its totient is φ = 2047552.

The previous prime is 7678379. The next prime is 7678387. The reversal of 7678380 is 838767.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7678387) 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, 63927 + ... + 64046.

It is an arithmetic number, because the mean of its divisors is an integer number (895818).

Almost surely, 2^7678380 is an apocalyptic number.

It is an amenable number.

7678380 is an abundant number, since it is smaller than the sum of its proper divisors (13821252).

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

7678380 is a wasteful number, since it uses less digits than its factorization.

7678380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127985 (or 127983 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 7678380 is about 2770.9889931214. The cubic root of 7678380 is about 197.2830925280.

The spelling of 7678380 in words is "seven million, six hundred seventy-eight thousand, three hundred eighty".