63620105 has 4 divisors (see below), whose sum is σ = 76344132. Its totient is φ = 50896080.

The previous prime is 63620083. The next prime is 63620119. The reversal of 63620105 is 50102636.

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 40857664 + 22762441 = 6392^2 + 4771^2 .

It is not a de Polignac number, because 63620105 - 2⁸ = 63619849 is a prime.

It is a super-2 number, since 2×63620105² = 8095035520422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6362006 + ... + 6362015.

It is an arithmetic number, because the mean of its divisors is an integer number (19086033).

Almost surely, 2^63620105 is an apocalyptic number.

It is an amenable number.

63620105 is a deficient number, since it is larger than the sum of its proper divisors (12724027).

63620105 is a wasteful number, since it uses less digits than its factorization.

63620105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724026.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 63620105 is about 7976.2212231106. The cubic root of 63620105 is about 399.2069809242.

The spelling of 63620105 in words is "sixty-three million, six hundred twenty thousand, one hundred five".