74024642 has 8 divisors (see below), whose sum is σ = 114038076. Its totient is φ = 36011952.

The previous prime is 74024611. The next prime is 74024651. The reversal of 74024642 is 24642047.

It can be written as a sum of positive squares in 2 ways, for example, as 70744921 + 3279721 = 8411^2 + 1811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

74024642 is a modest number, since divided by 24642 gives 74 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500093 + ... + 500240.

Almost surely, 2^74024642 is an apocalyptic number.

74024642 is a deficient number, since it is larger than the sum of its proper divisors (40013434).

74024642 is a wasteful number, since it uses less digits than its factorization.

74024642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000372.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 74024642 is about 8603.7574349815. The cubic root of 74024642 is about 419.8802417437.

Adding to 74024642 its reverse (24642047), we get a palindrome (98666689).

The spelling of 74024642 in words is "seventy-four million, twenty-four thousand, six hundred forty-two".