74454871 has 4 divisors (see below), whose sum is σ = 74871000. Its totient is φ = 74038744.

The previous prime is 74454859. The next prime is 74454881. The reversal of 74454871 is 17845447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17845447 = 23 ⋅775889.

It is a cyclic number.

It is not a de Polignac number, because 74454871 - 2¹³ = 74446679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74454851) 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, 207796 + ... + 208153.

It is an arithmetic number, because the mean of its divisors is an integer number (18717750).

Almost surely, 2^74454871 is an apocalyptic number.

74454871 is a deficient number, since it is larger than the sum of its proper divisors (416129).

74454871 is a wasteful number, since it uses less digits than its factorization.

74454871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416128.

The product of its digits is 125440, while the sum is 40.

The square root of 74454871 is about 8628.7236020167. The cubic root of 74454871 is about 420.6921147010.

The spelling of 74454871 in words is "seventy-four million, four hundred fifty-four thousand, eight hundred seventy-one".