41680621 has 4 divisors (see below), whose sum is σ = 42267744. Its totient is φ = 41093500.

The previous prime is 41680607. The next prime is 41680693. The reversal of 41680621 is 12608614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12608614 = 2 ⋅6304307.

It is a cyclic number.

It is not a de Polignac number, because 41680621 - 2⁵ = 41680589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41680621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41680021) 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, 293455 + ... + 293596.

It is an arithmetic number, because the mean of its divisors is an integer number (10566936).

Almost surely, 2^41680621 is an apocalyptic number.

It is an amenable number.

41680621 is a deficient number, since it is larger than the sum of its proper divisors (587123).

41680621 is an equidigital number, since it uses as much as digits as its factorization.

41680621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587122.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 41680621 is about 6456.0530512071. The cubic root of 41680621 is about 346.7193344331.

The spelling of 41680621 in words is "forty-one million, six hundred eighty thousand, six hundred twenty-one".