74969487 has 12 divisors (see below), whose sum is σ = 108381000. Its totient is φ = 49937328.

The previous prime is 74969483. The next prime is 74969491. The reversal of 74969487 is 78496947.

It is a happy number.

74969487 is a `hidden beast` number, since 74 + 96 + 9 + 487 = 666.

It is an interprime number because it is at equal distance from previous prime (74969483) and next prime (74969491).

It is not a de Polignac number, because 74969487 - 2² = 74969483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74969483) 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 in 11 ways as a sum of consecutive naturals, for example, 10713 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (9031750).

Almost surely, 2^74969487 is an apocalyptic number.

74969487 is a deficient number, since it is larger than the sum of its proper divisors (33411513).

74969487 is a wasteful number, since it uses less digits than its factorization.

With its successor (74969488) it forms an eRAP, since the sums of their prime factors are consecutive (7062 and 7063).

74969487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062 (or 7059 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 74969487 is about 8658.4921897522. The cubic root of 74969487 is about 421.6591345358.

The spelling of 74969487 in words is "seventy-four million, nine hundred sixty-nine thousand, four hundred eighty-seven".