106764215 has 4 divisors (see below), whose sum is σ = 128117064. Its totient is φ = 85411368.

The previous prime is 106764197. The next prime is 106764223. The reversal of 106764215 is 512467601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106764215 - 2²⁶ = 39655351 is a prime.

It is a super-2 number, since 2×106764215² = 22797195209132450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 10676417 + ... + 10676426.

It is an arithmetic number, because the mean of its divisors is an integer number (32029266).

Almost surely, 2^106764215 is an apocalyptic number.

106764215 is a deficient number, since it is larger than the sum of its proper divisors (21352849).

106764215 is an equidigital number, since it uses as much as digits as its factorization.

106764215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352848.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 106764215 is about 10332.6770490517. The cubic root of 106764215 is about 474.3969669728.

The spelling of 106764215 in words is "one hundred six million, seven hundred sixty-four thousand, two hundred fifteen".