106672621 has 4 divisors (see below), whose sum is σ = 116370144. Its totient is φ = 96975100.

The previous prime is 106672619. The next prime is 106672627. The reversal of 106672621 is 126276601.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 106672621 - 2¹ = 106672619 is a prime.

It is a super-2 number, since 2×106672621² = 22758096142019282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106672627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4848745 + ... + 4848766.

It is an arithmetic number, because the mean of its divisors is an integer number (29092536).

Almost surely, 2^106672621 is an apocalyptic number.

106672621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106672621 is a deficient number, since it is larger than the sum of its proper divisors (9697523).

106672621 is an equidigital number, since it uses as much as digits as its factorization.

106672621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697522.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 106672621 is about 10328.2438487867. The cubic root of 106672621 is about 474.2612649880.

The spelling of 106672621 in words is "one hundred six million, six hundred seventy-two thousand, six hundred twenty-one".