7990058 has 4 divisors (see below), whose sum is σ = 11985090. Its totient is φ = 3995028.

The previous prime is 7990057. The next prime is 7990063. The reversal of 7990058 is 8500997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8500997 = 2111 ⋅4027.

It can be written as a sum of positive squares in only one way, i.e., 4214809 + 3775249 = 2053^2 + 1943^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7990057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997513 + ... + 1997516.

Almost surely, 2^7990058 is an apocalyptic number.

7990058 is a deficient number, since it is larger than the sum of its proper divisors (3995032).

7990058 is a wasteful number, since it uses less digits than its factorization.

7990058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995031.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 7990058 is about 2826.6690644644. The cubic root of 7990058 is about 199.9171156557.

The spelling of 7990058 in words is "seven million, nine hundred ninety thousand, fifty-eight".