40739713 has 4 divisors (see below), whose sum is σ = 46559680. Its totient is φ = 34919748.

The previous prime is 40739711. The next prime is 40739717. The reversal of 40739713 is 31793704.

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 40739713 - 2¹ = 40739711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40739711) 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, 2909973 + ... + 2909986.

It is an arithmetic number, because the mean of its divisors is an integer number (11639920).

Almost surely, 2^40739713 is an apocalyptic number.

It is an amenable number.

40739713 is a deficient number, since it is larger than the sum of its proper divisors (5819967).

40739713 is an equidigital number, since it uses as much as digits as its factorization.

40739713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819966.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 40739713 is about 6382.7668765199. The cubic root of 40739713 is about 344.0904783863.

The spelling of 40739713 in words is "forty million, seven hundred thirty-nine thousand, seven hundred thirteen".