41721243 has 16 divisors (see below), whose sum is σ = 56601600. Its totient is φ = 27331200.

The previous prime is 41721209. The next prime is 41721259. The reversal of 41721243 is 34212714.

It is a happy number.

It is not a de Polignac number, because 41721243 - 2¹³ = 41713051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41761243) 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, 94818 + ... + 95256.

It is an arithmetic number, because the mean of its divisors is an integer number (3537600).

Almost surely, 2^41721243 is an apocalyptic number.

41721243 is a deficient number, since it is larger than the sum of its proper divisors (14880357).

41721243 is a wasteful number, since it uses less digits than its factorization.

41721243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its digits is 1344, while the sum is 24.

The square root of 41721243 is about 6459.1983248697. The cubic root of 41721243 is about 346.8319356001.

Adding to 41721243 its reverse (34212714), we get a palindrome (75933957).

The spelling of 41721243 in words is "forty-one million, seven hundred twenty-one thousand, two hundred forty-three".