8040757 has 2 divisors, whose sum is σ = 8040758. Its totient is φ = 8040756.

The previous prime is 8040727. The next prime is 8040763. The reversal of 8040757 is 7570408.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6754801 + 1285956 = 2599^2 + 1134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8040757 is a prime.

8040757 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8040707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020378 + 4020379.

It is an arithmetic number, because the mean of its divisors is an integer number (4020379).

Almost surely, 2^8040757 is an apocalyptic number.

It is an amenable number.

8040757 is a deficient number, since it is larger than the sum of its proper divisors (1).

8040757 is an equidigital number, since it uses as much as digits as its factorization.

8040757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 8040757 is about 2835.6228592674. The cubic root of 8040757 is about 200.3390665113.

The spelling of 8040757 in words is "eight million, forty thousand, seven hundred fifty-seven".