74329378 has 8 divisors (see below), whose sum is σ = 115338780. Its totient is φ = 35883120.

The previous prime is 74329357. The next prime is 74329393. The reversal of 74329378 is 87392347.

It can be written as a sum of positive squares in 2 ways, for example, as 71791729 + 2537649 = 8473^2 + 1593^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640713 + ... + 640828.

Almost surely, 2^74329378 is an apocalyptic number.

74329378 is a deficient number, since it is larger than the sum of its proper divisors (41009402).

74329378 is a wasteful number, since it uses less digits than its factorization.

74329378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281572.

The product of its digits is 254016, while the sum is 43.

The square root of 74329378 is about 8621.4487181680. The cubic root of 74329378 is about 420.4556242209.

The spelling of 74329378 in words is "seventy-four million, three hundred twenty-nine thousand, three hundred seventy-eight".