74509384 has 8 divisors (see below), whose sum is σ = 139705110. Its totient is φ = 37254688.

The previous prime is 74509367. The next prime is 74509433. The reversal of 74509384 is 48390547.

It can be written as a sum of positive squares in only one way, i.e., 42902500 + 31606884 = 6550^2 + 5622^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 4656829 + ... + 4656844.

Almost surely, 2^74509384 is an apocalyptic number.

It is an amenable number.

74509384 is a deficient number, since it is larger than the sum of its proper divisors (65195726).

74509384 is a wasteful number, since it uses less digits than its factorization.

74509384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313679 (or 9313675 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 74509384 is about 8631.8818342236. The cubic root of 74509384 is about 420.7947611958.

The spelling of 74509384 in words is "seventy-four million, five hundred nine thousand, three hundred eighty-four".