74999506 has 4 divisors (see below), whose sum is σ = 112499262. Its totient is φ = 37499752.

The previous prime is 74999489. The next prime is 74999531. The reversal of 74999506 is 60599947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43020481 + 31979025 = 6559^2 + 5655^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 74999506.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18749875 + ... + 18749878.

Almost surely, 2^74999506 is an apocalyptic number.

74999506 is a deficient number, since it is larger than the sum of its proper divisors (37499756).

74999506 is a wasteful number, since it uses less digits than its factorization.

74999506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37499755.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 74999506 is about 8660.2255166941. The cubic root of 74999506 is about 421.7154067472.

The spelling of 74999506 in words is "seventy-four million, nine hundred ninety-nine thousand, five hundred six".