41946721 has 4 divisors (see below), whose sum is σ = 41973552. Its totient is φ = 41919892.

The previous prime is 41946713. The next prime is 41946739. The reversal of 41946721 is 12764914.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41946721 - 2³ = 41946713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41946521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10915 + ... + 14248.

It is an arithmetic number, because the mean of its divisors is an integer number (10493388).

Almost surely, 2^41946721 is an apocalyptic number.

It is an amenable number.

41946721 is a deficient number, since it is larger than the sum of its proper divisors (26831).

41946721 is a wasteful number, since it uses less digits than its factorization.

41946721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26830.

The product of its digits is 12096, while the sum is 34.

The square root of 41946721 is about 6476.6288298775. The cubic root of 41946721 is about 347.4556187821.

The spelling of 41946721 in words is "forty-one million, nine hundred forty-six thousand, seven hundred twenty-one".