41673420721 has 16 divisors (see below), whose sum is σ = 43155265536. Its totient is φ = 40220309376.

The previous prime is 41673420709. The next prime is 41673420743. The reversal of 41673420721 is 12702437614.

It is a cyclic number.

It is not a de Polignac number, because 41673420721 - 2¹⁵ = 41673387953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41673420421) 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, 1467766 + ... + 1495888.

It is an arithmetic number, because the mean of its divisors is an integer number (2697204096).

Almost surely, 2^41673420721 is an apocalyptic number.

It is an amenable number.

41673420721 is a deficient number, since it is larger than the sum of its proper divisors (1481844815).

41673420721 is a wasteful number, since it uses less digits than its factorization.

41673420721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28632.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 41673420721 in words is "forty-one billion, six hundred seventy-three million, four hundred twenty thousand, seven hundred twenty-one".