40722941 has 4 divisors (see below), whose sum is σ = 46540512. Its totient is φ = 34905372.

The previous prime is 40722937. The next prime is 40722943. The reversal of 40722941 is 14922704.

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 40722941 - 2² = 40722937 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40722943) 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, 2908775 + ... + 2908788.

It is an arithmetic number, because the mean of its divisors is an integer number (11635128).

Almost surely, 2^40722941 is an apocalyptic number.

It is an amenable number.

40722941 is a deficient number, since it is larger than the sum of its proper divisors (5817571).

40722941 is an equidigital number, since it uses as much as digits as its factorization.

40722941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817570.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40722941 is about 6381.4528909959. The cubic root of 40722941 is about 344.0432527415.

The spelling of 40722941 in words is "forty million, seven hundred twenty-two thousand, nine hundred forty-one".