4136728 has 8 divisors (see below), whose sum is σ = 7756380. Its totient is φ = 2068360.

The previous prime is 4136723. The next prime is 4136747. The reversal of 4136728 is 8276314.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4136728² = 34225037091968, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4136728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4136723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258538 + ... + 258553.

Almost surely, 2^4136728 is an apocalyptic number.

It is an amenable number.

4136728 is a deficient number, since it is larger than the sum of its proper divisors (3619652).

4136728 is a wasteful number, since it uses less digits than its factorization.

4136728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517097 (or 517093 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 4136728 is about 2033.8947858727. The cubic root of 4136728 is about 160.5285644498.

The spelling of 4136728 in words is "four million, one hundred thirty-six thousand, seven hundred twenty-eight".