40717047 has 8 divisors (see below), whose sum is σ = 62045056. Its totient is φ = 23266872.

The previous prime is 40717007. The next prime is 40717049. The reversal of 40717047 is 74071704.

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

It is not a de Polignac number, because 40717047 - 2¹⁴ = 40700663 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 (40717049) 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, 969433 + ... + 969474.

It is an arithmetic number, because the mean of its divisors is an integer number (7755632).

Almost surely, 2^40717047 is an apocalyptic number.

40717047 is a deficient number, since it is larger than the sum of its proper divisors (21328009).

40717047 is a wasteful number, since it uses less digits than its factorization.

40717047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938917.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 40717047 is about 6380.9910672246. The cubic root of 40717047 is about 344.0266536721.

The spelling of 40717047 in words is "forty million, seven hundred seventeen thousand, forty-seven".