40147727 has 4 divisors (see below), whose sum is σ = 42509376. Its totient is φ = 37786080.

The previous prime is 40147711. The next prime is 40147747. The reversal of 40147727 is 72774104.

40147727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40147727 - 2⁴ = 40147711 is a prime.

It is a super-2 number, since 2×40147727² = 3223679966533058, 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 = 40147693 and 40147702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40147747) 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 in 3 ways as a sum of consecutive naturals, for example, 1180799 + ... + 1180832.

It is an arithmetic number, because the mean of its divisors is an integer number (10627344).

Almost surely, 2^40147727 is an apocalyptic number.

40147727 is a deficient number, since it is larger than the sum of its proper divisors (2361649).

40147727 is a wasteful number, since it uses less digits than its factorization.

40147727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361648.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 40147727 is about 6336.2234019959. The cubic root of 40147727 is about 342.4156881286.

The spelling of 40147727 in words is "forty million, one hundred forty-seven thousand, seven hundred twenty-seven".