40746529 has 2 divisors, whose sum is σ = 40746530. Its totient is φ = 40746528.

The previous prime is 40746527. The next prime is 40746533. The reversal of 40746529 is 92564704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 6640929 = 5840^2 + 2577^2 .

It is a cyclic number.

It is not a de Polignac number, because 40746529 - 2¹ = 40746527 is a prime.

Together with 40746527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40746523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20373264 + 20373265.

It is an arithmetic number, because the mean of its divisors is an integer number (20373265).

Almost surely, 2^40746529 is an apocalyptic number.

It is an amenable number.

40746529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40746529 is an equidigital number, since it uses as much as digits as its factorization.

40746529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 40746529 is about 6383.3007919101. The cubic root of 40746529 is about 344.1096667878.

The spelling of 40746529 in words is "forty million, seven hundred forty-six thousand, five hundred twenty-nine".