74721082 has 8 divisors (see below), whose sum is σ = 113432256. Its totient is φ = 36910332.

The previous prime is 74721079. The next prime is 74721083. The reversal of 74721082 is 28012747.

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

It is not an unprimeable number, because it can be changed into a prime (74721083) 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, 224898 + ... + 225229.

It is an arithmetic number, because the mean of its divisors is an integer number (14179032).

Almost surely, 2^74721082 is an apocalyptic number.

74721082 is a deficient number, since it is larger than the sum of its proper divisors (38711174).

74721082 is a wasteful number, since it uses less digits than its factorization.

74721082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450212.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 74721082 is about 8644.1356999992. The cubic root of 74721082 is about 421.1929086984.

The spelling of 74721082 in words is "seventy-four million, seven hundred twenty-one thousand, eighty-two".