40527687 has 4 divisors (see below), whose sum is σ = 54036920. Its totient is φ = 27018456.

The previous prime is 40527671. The next prime is 40527701. The reversal of 40527687 is 78672504.

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

It is not a de Polignac number, because 40527687 - 2⁴ = 40527671 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 (40527637) 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, 6754612 + ... + 6754617.

It is an arithmetic number, because the mean of its divisors is an integer number (13509230).

Almost surely, 2^40527687 is an apocalyptic number.

40527687 is a deficient number, since it is larger than the sum of its proper divisors (13509233).

40527687 is a wasteful number, since it uses less digits than its factorization.

40527687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13509232.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 40527687 is about 6366.1359551929. The cubic root of 40527687 is about 343.4925109974.

It can be divided in two parts, 40527 and 687, that added together give a palindrome (41214).

The spelling of 40527687 in words is "forty million, five hundred twenty-seven thousand, six hundred eighty-seven".