74034378 has 64 divisors (see below), whose sum is σ = 187315200. Its totient is φ = 21455280.

The previous prime is 74034307. The next prime is 74034379. The reversal of 74034378 is 87343047.

It is not an unprimeable number, because it can be changed into a prime (74034379) 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 31 ways as a sum of consecutive naturals, for example, 10953 + ... + 16371.

It is an arithmetic number, because the mean of its divisors is an integer number (2926800).

Almost surely, 2^74034378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74034378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93657600).

74034378 is an abundant number, since it is smaller than the sum of its proper divisors (113280822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74034378 is a wasteful number, since it uses less digits than its factorization.

74034378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464 (or 5458 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 74034378 is about 8604.3232156864. The cubic root of 74034378 is about 419.8986490142.

It can be divided in two parts, 7403 and 4378, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 74034378 in words is "seventy-four million, thirty-four thousand, three hundred seventy-eight".