40725727 has 8 divisors (see below), whose sum is σ = 49281696. Its totient is φ = 32854272.

The previous prime is 40725719. The next prime is 40725733. The reversal of 40725727 is 72752704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40725727 - 2³ = 40725719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40725692 and 40725701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40725767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170998 + ... + 171235.

It is an arithmetic number, because the mean of its divisors is an integer number (6160212).

Almost surely, 2^40725727 is an apocalyptic number.

40725727 is a deficient number, since it is larger than the sum of its proper divisors (8555969).

40725727 is a wasteful number, since it uses less digits than its factorization.

40725727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342257.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 40725727 is about 6381.6711761105. The cubic root of 40725727 is about 344.0510983000.

The spelling of 40725727 in words is "forty million, seven hundred twenty-five thousand, seven hundred twenty-seven".