700621 has 4 divisors (see below), whose sum is σ = 741852. Its totient is φ = 659392.

The previous prime is 700597. The next prime is 700627. The reversal of 700621 is 126007.

700621 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.

It can be written as a sum of positive squares in 2 ways, for example, as 656100 + 44521 = 810^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 700621 - 2⁹ = 700109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 700595 and 700604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700627) 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, 20590 + ... + 20623.

It is an arithmetic number, because the mean of its divisors is an integer number (185463).

2⁷⁰⁰⁶²¹ is an apocalyptic number.

It is an amenable number.

700621 is a deficient number, since it is larger than the sum of its proper divisors (41231).

700621 is a wasteful number, since it uses less digits than its factorization.

700621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41230.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 700621 is about 837.0310627450. The cubic root of 700621 is about 88.8166490034.

Adding to 700621 its reverse (126007), we get a palindrome (826628).

The spelling of 700621 in words is "seven hundred thousand, six hundred twenty-one".