106818772 has 12 divisors (see below), whose sum is σ = 187035156. Its totient is φ = 53380160.

The previous prime is 106818757. The next prime is 106818791. The reversal of 106818772 is 277818601.

It can be written as a sum of positive squares in 2 ways, for example, as 90706576 + 16112196 = 9524^2 + 4014^2 .

It is a super-2 number, since 2×106818772² = 22820500103175968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328 + ... + 14800.

It is an arithmetic number, because the mean of its divisors is an integer number (15586263).

Almost surely, 2^106818772 is an apocalyptic number.

It is an amenable number.

106818772 is a deficient number, since it is larger than the sum of its proper divisors (80216384).

106818772 is a wasteful number, since it uses less digits than its factorization.

106818772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618 (or 14616 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 106818772 is about 10335.3167343822. The cubic root of 106818772 is about 474.4777595493.

The spelling of 106818772 in words is "one hundred six million, eight hundred eighteen thousand, seven hundred seventy-two".