40757747 has 2 divisors, whose sum is σ = 40757748. Its totient is φ = 40757746.

The previous prime is 40757741. The next prime is 40757753. The reversal of 40757747 is 74775704.

It is a balanced prime because it is at equal distance from previous prime (40757741) and next prime (40757753).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40757747 is a prime.

It is a super-2 number, since 2×40757747² = 3322387881032018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40757741) 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, 20378873 + 20378874.

It is an arithmetic number, because the mean of its divisors is an integer number (20378874).

Almost surely, 2^40757747 is an apocalyptic number.

40757747 is a deficient number, since it is larger than the sum of its proper divisors (1).

40757747 is an equidigital number, since it uses as much as digits as its factorization.

40757747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192080, while the sum is 41.

The square root of 40757747 is about 6384.1794304358. The cubic root of 40757747 is about 344.1412430402.

The spelling of 40757747 in words is "forty million, seven hundred fifty-seven thousand, seven hundred forty-seven".