41671721 has 16 divisors (see below), whose sum is σ = 51604224. Its totient is φ = 32768064.

The previous prime is 41671697. The next prime is 41671741. The reversal of 41671721 is 12717614.

It is not a de Polignac number, because 41671721 - 2¹⁴ = 41655337 is a prime.

It is a super-2 number, since 2×41671721² = 3473064662203682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41671741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14420 + ... + 17066.

It is an arithmetic number, because the mean of its divisors is an integer number (3225264).

Almost surely, 2^41671721 is an apocalyptic number.

It is an amenable number.

41671721 is a deficient number, since it is larger than the sum of its proper divisors (9932503).

41671721 is a wasteful number, since it uses less digits than its factorization.

41671721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840.

The product of its digits is 2352, while the sum is 29.

The square root of 41671721 is about 6455.3637387834. The cubic root of 41671721 is about 346.6946545245.

The spelling of 41671721 in words is "forty-one million, six hundred seventy-one thousand, seven hundred twenty-one".