74530049 has 8 divisors (see below), whose sum is σ = 82451520. Its totient is φ = 66799600.

The previous prime is 74530009. The next prime is 74530061. The reversal of 74530049 is 94003547.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74530049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74529997 and 74530024.

It is not an unprimeable number, because it can be changed into a prime (74530009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46934 + ... + 48495.

It is an arithmetic number, because the mean of its divisors is an integer number (10306440).

Almost surely, 2^74530049 is an apocalyptic number.

It is an amenable number.

74530049 is a deficient number, since it is larger than the sum of its proper divisors (7921471).

74530049 is a wasteful number, since it uses less digits than its factorization.

74530049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95511.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 74530049 is about 8633.0787671606. The cubic root of 74530049 is about 420.8336597412.

The spelling of 74530049 in words is "seventy-four million, five hundred thirty thousand, forty-nine".