40727906 has 8 divisors (see below), whose sum is σ = 64307280. Its totient is φ = 19292148.

The previous prime is 40727891. The next prime is 40727909. The reversal of 40727906 is 60972704.

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

It is not an unprimeable number, because it can be changed into a prime (40727909) 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, 535856 + ... + 535931.

It is an arithmetic number, because the mean of its divisors is an integer number (8038410).

Almost surely, 2^40727906 is an apocalyptic number.

40727906 is a deficient number, since it is larger than the sum of its proper divisors (23579374).

40727906 is a wasteful number, since it uses less digits than its factorization.

40727906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071808.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 40727906 is about 6381.8418971328. The cubic root of 40727906 is about 344.0572342573.

The spelling of 40727906 in words is "forty million, seven hundred twenty-seven thousand, nine hundred six".