74078441 has 4 divisors (see below), whose sum is σ = 76632900. Its totient is φ = 71523984.

The previous prime is 74078419. The next prime is 74078443. The reversal of 74078441 is 14487047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14487047 = 97 ⋅149351.

It can be written as a sum of positive squares in 2 ways, for example, as 60388441 + 13690000 = 7771^2 + 3700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74078441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74078443) 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 3 ways as a sum of consecutive naturals, for example, 1277186 + ... + 1277243.

It is an arithmetic number, because the mean of its divisors is an integer number (19158225).

Almost surely, 2^74078441 is an apocalyptic number.

It is an amenable number.

74078441 is a deficient number, since it is larger than the sum of its proper divisors (2554459).

74078441 is a wasteful number, since it uses less digits than its factorization.

74078441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554458.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 74078441 is about 8606.8833499705. The cubic root of 74078441 is about 419.9819361090.

The spelling of 74078441 in words is "seventy-four million, seventy-eight thousand, four hundred forty-one".