74082757 has 12 divisors (see below), whose sum is σ = 86664396. Its totient is φ = 63141120.

The previous prime is 74082721. The next prime is 74082773. The reversal of 74082757 is 75728047.

It can be written as a sum of positive squares in 2 ways, for example, as 18714276 + 55368481 = 4326^2 + 7441^2 .

It is not a de Polignac number, because 74082757 - 2¹¹ = 74080709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74082707) 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 in 11 ways as a sum of consecutive naturals, for example, 4693 + ... + 13045.

It is an arithmetic number, because the mean of its divisors is an integer number (7222033).

Almost surely, 2^74082757 is an apocalyptic number.

It is an amenable number.

74082757 is a deficient number, since it is larger than the sum of its proper divisors (12581639).

74082757 is a wasteful number, since it uses less digits than its factorization.

74082757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548 (or 8541 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 74082757 is about 8607.1340758699. The cubic root of 74082757 is about 419.9900923589.

The spelling of 74082757 in words is "seventy-four million, eighty-two thousand, seven hundred fifty-seven".