39705227 has 4 divisors (see below), whose sum is σ = 39809280. Its totient is φ = 39601176.

The previous prime is 39705223. The next prime is 39705241. The reversal of 39705227 is 72250793.

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 39705227 - 2² = 39705223 is a prime.

It is a super-2 number, since 2×39705227² = 3153010102243058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39705223) 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, 51452 + ... + 52217.

It is an arithmetic number, because the mean of its divisors is an integer number (9952320).

Almost surely, 2^39705227 is an apocalyptic number.

39705227 is a deficient number, since it is larger than the sum of its proper divisors (104053).

39705227 is a wasteful number, since it uses less digits than its factorization.

39705227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104052.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 39705227 is about 6301.2083761767. The cubic root of 39705227 is about 341.1530259769.

The spelling of 39705227 in words is "thirty-nine million, seven hundred five thousand, two hundred twenty-seven".