74257892 has 12 divisors (see below), whose sum is σ = 135601536. Its totient is φ = 35514600.

The previous prime is 74257891. The next prime is 74257901. The reversal of 74257892 is 29875247.

It is not an unprimeable number, because it can be changed into a prime (74257891) 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 3 ways as a sum of consecutive naturals, for example, 403484 + ... + 403667.

It is an arithmetic number, because the mean of its divisors is an integer number (11300128).

Almost surely, 2^74257892 is an apocalyptic number.

It is an amenable number.

74257892 is a deficient number, since it is larger than the sum of its proper divisors (61343644).

74257892 is a wasteful number, since it uses less digits than its factorization.

74257892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807178 (or 807176 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 74257892 is about 8617.3018979261. The cubic root of 74257892 is about 420.3207904474.

The spelling of 74257892 in words is "seventy-four million, two hundred fifty-seven thousand, eight hundred ninety-two".