41996721 has 16 divisors (see below), whose sum is σ = 60419520. Its totient is φ = 25794240.

The previous prime is 41996711. The next prime is 41996729. The reversal of 41996721 is 12769914.

It is not a de Polignac number, because 41996721 - 2¹⁵ = 41963953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 41996721.

It is not an unprimeable number, because it can be changed into a prime (41996729) 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, 37315 + ... + 38423.

It is an arithmetic number, because the mean of its divisors is an integer number (3776220).

Almost surely, 2^41996721 is an apocalyptic number.

It is an amenable number.

41996721 is a deficient number, since it is larger than the sum of its proper divisors (18422799).

41996721 is a wasteful number, since it uses less digits than its factorization.

41996721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096.

The product of its digits is 27216, while the sum is 39.

The square root of 41996721 is about 6480.4877131278. The cubic root of 41996721 is about 347.5936183077.

The spelling of 41996721 in words is "forty-one million, nine hundred ninety-six thousand, seven hundred twenty-one".