41810721 has 8 divisors (see below), whose sum is σ = 57670080. Its totient is φ = 26912592.

The previous prime is 41810707. The next prime is 41810729. The reversal of 41810721 is 12701814.

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

It is not a de Polignac number, because 41810721 - 2¹⁰ = 41809697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 41810691 and 41810700.

It is not an unprimeable number, because it can be changed into a prime (41810729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240205 + ... + 240378.

It is an arithmetic number, because the mean of its divisors is an integer number (7208760).

Almost surely, 2^41810721 is an apocalyptic number.

It is an amenable number.

41810721 is a deficient number, since it is larger than the sum of its proper divisors (15859359).

41810721 is a wasteful number, since it uses less digits than its factorization.

41810721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480615.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 41810721 is about 6466.1210164982. The cubic root of 41810721 is about 347.0797044137.

The spelling of 41810721 in words is "forty-one million, eight hundred ten thousand, seven hundred twenty-one".