40072063 has 2 divisors, whose sum is σ = 40072064. Its totient is φ = 40072062.

The previous prime is 40072061. The next prime is 40072069. The reversal of 40072063 is 36027004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40072063 - 2¹ = 40072061 is a prime.

Together with 40072061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40072061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20036031 + 20036032.

It is an arithmetic number, because the mean of its divisors is an integer number (20036032).

Almost surely, 2^40072063 is an apocalyptic number.

40072063 is a deficient number, since it is larger than the sum of its proper divisors (1).

40072063 is an equidigital number, since it uses as much as digits as its factorization.

40072063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 40072063 is about 6330.2498370917. The cubic root of 40072063 is about 342.2004427859.

Adding to 40072063 its reverse (36027004), we get a palindrome (76099067).

The spelling of 40072063 in words is "forty million, seventy-two thousand, sixty-three".