41039721 has 6 divisors (see below), whose sum is σ = 59279610. Its totient is φ = 27359808.

The previous prime is 41039707. The next prime is 41039723. The reversal of 41039721 is 12793014.

It can be written as a sum of positive squares in only one way, i.e., 35105625 + 5934096 = 5925^2 + 2436^2 .

It is not a de Polignac number, because 41039721 - 2⁶ = 41039657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41039723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2279976 + ... + 2279993.

It is an arithmetic number, because the mean of its divisors is an integer number (9879935).

Almost surely, 2^41039721 is an apocalyptic number.

It is an amenable number.

41039721 is a deficient number, since it is larger than the sum of its proper divisors (18239889).

41039721 is a wasteful number, since it uses less digits than its factorization.

41039721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559975 (or 4559972 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 41039721 is about 6406.2251755617. The cubic root of 41039721 is about 344.9330430866.

It can be divided in two parts, 4103 and 9721, that added together give a cube (13824 = 24³).

The spelling of 41039721 in words is "forty-one million, thirty-nine thousand, seven hundred twenty-one".