40032763 has 2 divisors, whose sum is σ = 40032764. Its totient is φ = 40032762.

The previous prime is 40032761. The next prime is 40032787. The reversal of 40032763 is 36723004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40032763 - 2¹ = 40032761 is a prime.

It is a super-2 number, since 2×40032763² = 3205244226828338, which contains 22 as substring.

Together with 40032761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40032761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20016381 + 20016382.

It is an arithmetic number, because the mean of its divisors is an integer number (20016382).

Almost surely, 2^40032763 is an apocalyptic number.

40032763 is a deficient number, since it is larger than the sum of its proper divisors (1).

40032763 is an equidigital number, since it uses as much as digits as its factorization.

40032763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 40032763 is about 6327.1449327481. The cubic root of 40032763 is about 342.0885370903.

Adding to 40032763 its reverse (36723004), we get a palindrome (76755767).

The spelling of 40032763 in words is "forty million, thirty-two thousand, seven hundred sixty-three".