7978058 has 16 divisors (see below), whose sum is σ = 13155264. Its totient is φ = 3598560.

The previous prime is 7978021. The next prime is 7978063. The reversal of 7978058 is 8508797.

It is a super-3 number, since 3×7978058³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1691 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (822204).

Almost surely, 2^7978058 is an apocalyptic number.

7978058 is a deficient number, since it is larger than the sum of its proper divisors (5177206).

7978058 is a wasteful number, since it uses less digits than its factorization.

7978058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 7978058 is about 2824.5456271762. The cubic root of 7978058 is about 199.8169825742.

The spelling of 7978058 in words is "seven million, nine hundred seventy-eight thousand, fifty-eight".