7958066 has 8 divisors (see below), whose sum is σ = 11958300. Its totient is φ = 3971968.

The previous prime is 7958063. The next prime is 7958077. The reversal of 7958066 is 6608597.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7958041 + 25 = 2821^2 + 5^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7958063) 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 3 ways as a sum of consecutive naturals, for example, 1991 + ... + 4458.

Almost surely, 2^7958066 is an apocalyptic number.

7958066 is a deficient number, since it is larger than the sum of its proper divisors (4000234).

7958066 is a wasteful number, since it uses less digits than its factorization.

7958066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 7958066 is about 2821.0044310493. The cubic root of 7958066 is about 199.6499376392.

The spelling of 7958066 in words is "seven million, nine hundred fifty-eight thousand, sixty-six".