702021 has 4 divisors (see below), whose sum is σ = 936032. Its totient is φ = 468012.

The previous prime is 702017. The next prime is 702067. The reversal of 702021 is 120207.

702021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 702021 - 2² = 702017 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 701988 and 702006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (702011) 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, 117001 + ... + 117006.

It is an arithmetic number, because the mean of its divisors is an integer number (234008).

2⁷⁰²⁰²¹ is an apocalyptic number.

It is an amenable number.

702021 is a deficient number, since it is larger than the sum of its proper divisors (234011).

702021 is a wasteful number, since it uses less digits than its factorization.

702021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234010.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 702021 is about 837.8669345427. The cubic root of 702021 is about 88.8757682602.

Adding to 702021 its reverse (120207), we get a palindrome (822228).

The spelling of 702021 in words is "seven hundred two thousand, twenty-one", and thus it is an iban number.