40727247 has 16 divisors (see below), whose sum is σ = 59443968. Its totient is φ = 24598080.

The previous prime is 40727243. The next prime is 40727261. The reversal of 40727247 is 74272704.

It is not a de Polignac number, because 40727247 - 2² = 40727243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40727243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8358 + ... + 12300.

It is an arithmetic number, because the mean of its divisors is an integer number (3715248).

Almost surely, 2^40727247 is an apocalyptic number.

40727247 is a deficient number, since it is larger than the sum of its proper divisors (18716721).

40727247 is a wasteful number, since it uses less digits than its factorization.

40727247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 40727247 is about 6381.7902660617. The cubic root of 40727247 is about 344.0553785687.

The spelling of 40727247 in words is "forty million, seven hundred twenty-seven thousand, two hundred forty-seven".