4070621 has 2 divisors, whose sum is σ = 4070622. Its totient is φ = 4070620.

The previous prime is 4070567. The next prime is 4070653. The reversal of 4070621 is 1260704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 1413721 = 1630^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 4070621 - 2⁶ = 4070557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4070593 and 4070602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4070221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035310 + 2035311.

It is an arithmetic number, because the mean of its divisors is an integer number (2035311).

Almost surely, 2^4070621 is an apocalyptic number.

It is an amenable number.

4070621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4070621 is an equidigital number, since it uses as much as digits as its factorization.

4070621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 4070621 is about 2017.5780034487. The cubic root of 4070621 is about 159.6688594055.

The spelling of 4070621 in words is "four million, seventy thousand, six hundred twenty-one".