7941278 has 24 divisors (see below), whose sum is σ = 13331952. Its totient is φ = 3534912.

The previous prime is 7941277. The next prime is 7941281. The reversal of 7941278 is 8721497.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7941277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11951 + ... + 12597.

It is an arithmetic number, because the mean of its divisors is an integer number (555498).

Almost surely, 2^7941278 is an apocalyptic number.

7941278 is a deficient number, since it is larger than the sum of its proper divisors (5390674).

7941278 is a wasteful number, since it uses less digits than its factorization.

7941278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 685 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 7941278 is about 2818.0273242110. The cubic root of 7941278 is about 199.5094477763.

7941278 divided by its sum of digits (38) gives a triangular number (208981 = T₆₄₆).

The spelling of 7941278 in words is "seven million, nine hundred forty-one thousand, two hundred seventy-eight".