7079021 has 4 divisors (see below), whose sum is σ = 7495452. Its totient is φ = 6662592.

The previous prime is 7079003. The next prime is 7079041. The reversal of 7079021 is 1209707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2937796 + 4141225 = 1714^2 + 2035^2 .

It is a cyclic number.

It is not a de Polignac number, because 7079021 - 2⁶ = 7078957 is a prime.

It is a super-3 number, since 3×7079021³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7079041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208190 + ... + 208223.

It is an arithmetic number, because the mean of its divisors is an integer number (1873863).

Almost surely, 2^7079021 is an apocalyptic number.

It is an amenable number.

7079021 is a deficient number, since it is larger than the sum of its proper divisors (416431).

7079021 is a wasteful number, since it uses less digits than its factorization.

7079021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416430.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 7079021 is about 2660.6429674047. The cubic root of 7079021 is about 192.0102443174.

The spelling of 7079021 in words is "seven million, seventy-nine thousand, twenty-one".