7970378 has 12 divisors (see below), whose sum is σ = 12946518. Its totient is φ = 3678480.

The previous prime is 7970377. The next prime is 7970471. The reversal of 7970378 is 8730797.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3073009 + 4897369 = 1753^2 + 2213^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7970371) 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 5 ways as a sum of consecutive naturals, for example, 11453 + ... + 12128.

Almost surely, 2^7970378 is an apocalyptic number.

7970378 is a deficient number, since it is larger than the sum of its proper divisors (4976140).

7970378 is a wasteful number, since it uses less digits than its factorization.

7970378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23609 (or 23596 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 7970378 is about 2823.1857891396. The cubic root of 7970378 is about 199.7528446971.

The spelling of 7970378 in words is "seven million, nine hundred seventy thousand, three hundred seventy-eight".