40729327 has 2 divisors, whose sum is σ = 40729328. Its totient is φ = 40729326.

The previous prime is 40729313. The next prime is 40729333. The reversal of 40729327 is 72392704.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40729327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40729292 and 40729301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40729357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20364663 + 20364664.

It is an arithmetic number, because the mean of its divisors is an integer number (20364664).

Almost surely, 2^40729327 is an apocalyptic number.

40729327 is a deficient number, since it is larger than the sum of its proper divisors (1).

40729327 is an equidigital number, since it uses as much as digits as its factorization.

40729327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 40729327 is about 6381.9532276569. The cubic root of 40729327 is about 344.0612356059.

The spelling of 40729327 in words is "forty million, seven hundred twenty-nine thousand, three hundred twenty-seven".