106786728 has 32 divisors (see below), whose sum is σ = 296630400. Its totient is φ = 35595504.

The previous prime is 106786717. The next prime is 106786753. The reversal of 106786728 is 827687601.

It is a super-2 number, since 2×106786728² = 22806810553891968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246976 + ... + 247407.

It is an arithmetic number, because the mean of its divisors is an integer number (9269700).

Almost surely, 2^106786728 is an apocalyptic number.

106786728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

106786728 is an abundant number, since it is smaller than the sum of its proper divisors (189843672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106786728 is a wasteful number, since it uses less digits than its factorization.

106786728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494398 (or 494388 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 106786728 is about 10333.7663995273. The cubic root of 106786728 is about 474.4303094441.

The spelling of 106786728 in words is "one hundred six million, seven hundred eighty-six thousand, seven hundred twenty-eight".