40727847 has 4 divisors (see below), whose sum is σ = 54303800. Its totient is φ = 27151896.

The previous prime is 40727789. The next prime is 40727867. The reversal of 40727847 is 74872704.

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

It is not a de Polignac number, because 40727847 - 2⁶ = 40727783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40727867) 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, 6787972 + ... + 6787977.

It is an arithmetic number, because the mean of its divisors is an integer number (13575950).

Almost surely, 2^40727847 is an apocalyptic number.

40727847 is a deficient number, since it is larger than the sum of its proper divisors (13575953).

40727847 is a wasteful number, since it uses less digits than its factorization.

40727847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13575952.

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 40727847 is about 6381.8372746412. The cubic root of 40727847 is about 344.0570681191.

The spelling of 40727847 in words is "forty million, seven hundred twenty-seven thousand, eight hundred forty-seven".