40743913 has 8 divisors (see below), whose sum is σ = 47328320. Its totient is φ = 34350480.

The previous prime is 40743907. The next prime is 40743931. The reversal of 40743913 is 31934704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40743913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40743013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47283 + ... + 48136.

It is an arithmetic number, because the mean of its divisors is an integer number (5916040).

Almost surely, 2^40743913 is an apocalyptic number.

It is an amenable number.

40743913 is a deficient number, since it is larger than the sum of its proper divisors (6584407).

40743913 is an equidigital number, since it uses as much as digits as its factorization.

40743913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95487.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40743913 is about 6383.0958789603. The cubic root of 40743913 is about 344.1023024783.

The spelling of 40743913 in words is "forty million, seven hundred forty-three thousand, nine hundred thirteen".