7990033 has 8 divisors (see below), whose sum is σ = 8281856. Its totient is φ = 7700400.

The previous prime is 7990001. The next prime is 7990057. The reversal of 7990033 is 3300997.

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

It is not a de Polignac number, because 7990033 - 2⁵ = 7990001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7989977 and 7990004.

It is not an unprimeable number, because it can be changed into a prime (7990063) 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 7 ways as a sum of consecutive naturals, for example, 11218 + ... + 11908.

It is an arithmetic number, because the mean of its divisors is an integer number (1035232).

Almost surely, 2^7990033 is an apocalyptic number.

It is an amenable number.

7990033 is a deficient number, since it is larger than the sum of its proper divisors (291823).

7990033 is a wasteful number, since it uses less digits than its factorization.

7990033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 7990033 is about 2826.6646422949. The cubic root of 7990033 is about 199.9169071493.

The spelling of 7990033 in words is "seven million, nine hundred ninety thousand, thirty-three".