106728404 has 12 divisors (see below), whose sum is σ = 189940800. Its totient is φ = 52459608.

The previous prime is 106728403. The next prime is 106728437. The reversal of 106728404 is 404827601.

It is a super-2 number, since 2×106728404² = 22781904440774432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106728403) 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, 225884 + ... + 226355.

It is an arithmetic number, because the mean of its divisors is an integer number (15828400).

Almost surely, 2^106728404 is an apocalyptic number.

It is an amenable number.

106728404 is a deficient number, since it is larger than the sum of its proper divisors (83212396).

106728404 is a wasteful number, since it uses less digits than its factorization.

106728404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452302 (or 452300 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 106728404 is about 10330.9440033329. The cubic root of 106728404 is about 474.3439200800.

The spelling of 106728404 in words is "one hundred six million, seven hundred twenty-eight thousand, four hundred four".