3621730067 has 2 divisors, whose sum is σ = 3621730068. Its totient is φ = 3621730066.

The previous prime is 3621730051. The next prime is 3621730081. The reversal of 3621730067 is 7600371263.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3621730067 - 2⁴ = 3621730051 is a prime.

It is a super-4 number, since 4×3621730067⁴ (a number of 39 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (3621730267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810865033 + 1810865034.

It is an arithmetic number, because the mean of its divisors is an integer number (1810865034).

Almost surely, 2^3621730067 is an apocalyptic number.

3621730067 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621730067 is an equidigital number, since it uses as much as digits as its factorization.

3621730067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 3621730067 is about 60180.8114518241. The cubic root of 3621730067 is about 1535.6963764090.

The spelling of 3621730067 in words is "three billion, six hundred twenty-one million, seven hundred thirty thousand, sixty-seven".