40727205 has 40 divisors (see below), whose sum is σ = 73494432. Its totient is φ = 21576672.

The previous prime is 40727191. The next prime is 40727207. The reversal of 40727205 is 50272704.

It is not a de Polignac number, because 40727205 - 2⁵ = 40727173 is a prime.

It is a super-2 number, since 2×40727205² = 3317410454224050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40727207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91714 + ... + 92156.

Almost surely, 2^40727205 is an apocalyptic number.

40727205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40727205 is a deficient number, since it is larger than the sum of its proper divisors (32767227).

40727205 is a wasteful number, since it uses less digits than its factorization.

40727205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 40727205 is about 6381.7869754482. The cubic root of 40727205 is about 344.0552602995.

Adding to 40727205 its reverse (50272704), we get a palindrome (90999909).

The spelling of 40727205 in words is "forty million, seven hundred twenty-seven thousand, two hundred five".