106785637 has 4 divisors (see below), whose sum is σ = 122040736. Its totient is φ = 91530540.

The previous prime is 106785631. The next prime is 106785649. The reversal of 106785637 is 736587601.

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 106785637 - 2³ = 106785629 is a prime.

It is a super-2 number, since 2×106785637² = 22806344538991538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106785593 and 106785602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106785631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7627539 + ... + 7627552.

It is an arithmetic number, because the mean of its divisors is an integer number (30510184).

Almost surely, 2^106785637 is an apocalyptic number.

It is an amenable number.

106785637 is a deficient number, since it is larger than the sum of its proper divisors (15255099).

106785637 is an equidigital number, since it uses as much as digits as its factorization.

106785637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15255098.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 106785637 is about 10333.7136112822. The cubic root of 106785637 is about 474.4286937463.

The spelling of 106785637 in words is "one hundred six million, seven hundred eighty-five thousand, six hundred thirty-seven".