41687971 has 4 divisors (see below), whose sum is σ = 44894752. Its totient is φ = 38481192.

The previous prime is 41687969. The next prime is 41687977. The reversal of 41687971 is 17978614.

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 41687971 - 2¹ = 41687969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41687977) 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, 1603371 + ... + 1603396.

It is an arithmetic number, because the mean of its divisors is an integer number (11223688).

Almost surely, 2^41687971 is an apocalyptic number.

41687971 is a deficient number, since it is larger than the sum of its proper divisors (3206781).

41687971 is a wasteful number, since it uses less digits than its factorization.

41687971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206780.

The product of its digits is 84672, while the sum is 43.

The square root of 41687971 is about 6456.6222593551. The cubic root of 41687971 is about 346.7397135066.

The spelling of 41687971 in words is "forty-one million, six hundred eighty-seven thousand, nine hundred seventy-one".