39740071 has 8 divisors (see below), whose sum is σ = 45563040. Its totient is φ = 33953568.

The previous prime is 39740059. The next prime is 39740083. The reversal of 39740071 is 17004793.

It is an interprime number because it is at equal distance from previous prime (39740059) and next prime (39740083).

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

It is a cyclic number.

It is not a de Polignac number, because 39740071 - 2⁷ = 39739943 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 (39740971) 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, 6736 + ... + 11173.

It is an arithmetic number, because the mean of its divisors is an integer number (5695380).

Almost surely, 2^39740071 is an apocalyptic number.

39740071 is a deficient number, since it is larger than the sum of its proper divisors (5822969).

39740071 is a wasteful number, since it uses less digits than its factorization.

39740071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18233.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 39740071 is about 6303.9726363619. The cubic root of 39740071 is about 341.2527916869.

The spelling of 39740071 in words is "thirty-nine million, seven hundred forty thousand, seventy-one".