40704071 has 4 divisors (see below), whose sum is σ = 40798944. Its totient is φ = 40609200.

The previous prime is 40704067. The next prime is 40704073. The reversal of 40704071 is 17040704.

40704071 = 66² + 67² + ... + 496².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40704071 - 2² = 40704067 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 (40704073) 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, 46790 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (10199736).

Almost surely, 2^40704071 is an apocalyptic number.

40704071 is a deficient number, since it is larger than the sum of its proper divisors (94873).

40704071 is an equidigital number, since it uses as much as digits as its factorization.

40704071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94872.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40704071 is about 6379.9742162488. The cubic root of 40704071 is about 343.9901041637.

Adding to 40704071 its reverse (17040704), we get a palindrome (57744775).

The spelling of 40704071 in words is "forty million, seven hundred four thousand, seventy-one".