7941378 has 16 divisors (see below), whose sum is σ = 16101216. Its totient is φ = 2610720.

The previous prime is 7941377. The next prime is 7941379. The reversal of 7941378 is 8731497.

It is an interprime number because it is at equal distance from previous prime (7941377) and next prime (7941379).

It is not an unprimeable number, because it can be changed into a prime (7941377) 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, 8628 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (1006326).

Almost surely, 2^7941378 is an apocalyptic number.

7941378 is an abundant number, since it is smaller than the sum of its proper divisors (8159838).

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

7941378 is a wasteful number, since it uses less digits than its factorization.

7941378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18209.

The product of its digits is 42336, while the sum is 39.

The square root of 7941378 is about 2818.0450670633. The cubic root of 7941378 is about 199.5102852091.

The spelling of 7941378 in words is "seven million, nine hundred forty-one thousand, three hundred seventy-eight".