74320748 has 6 divisors (see below), whose sum is σ = 130061316. Its totient is φ = 37160372.

The previous prime is 74320747. The next prime is 74320759. The reversal of 74320748 is 84702347.

It is not an unprimeable number, because it can be changed into a prime (74320747) 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 as a sum of consecutive naturals, namely, 9290090 + ... + 9290097.

It is an arithmetic number, because the mean of its divisors is an integer number (21676886).

Almost surely, 2^74320748 is an apocalyptic number.

It is an amenable number.

74320748 is a deficient number, since it is larger than the sum of its proper divisors (55740568).

74320748 is a wasteful number, since it uses less digits than its factorization.

74320748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580191 (or 18580189 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 74320748 is about 8620.9482077089. The cubic root of 74320748 is about 420.4393512811.

The spelling of 74320748 in words is "seventy-four million, three hundred twenty thousand, seven hundred forty-eight".