74338861 has 4 divisors (see below), whose sum is σ = 76902300. Its totient is φ = 71775424.

The previous prime is 74338853. The next prime is 74338871. The reversal of 74338861 is 16883347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16883347 = 13 ⋅1298719.

It can be written as a sum of positive squares in 2 ways, for example, as 43480836 + 30858025 = 6594^2 + 5555^2 .

It is a cyclic number.

It is not a de Polignac number, because 74338861 - 2³ = 74338853 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74338801) 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, 1281676 + ... + 1281733.

It is an arithmetic number, because the mean of its divisors is an integer number (19225575).

Almost surely, 2^74338861 is an apocalyptic number.

It is an amenable number.

74338861 is a deficient number, since it is larger than the sum of its proper divisors (2563439).

74338861 is a wasteful number, since it uses less digits than its factorization.

74338861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563438.

The product of its digits is 96768, while the sum is 40.

The square root of 74338861 is about 8621.9986662026. The cubic root of 74338861 is about 420.4735041460.

The spelling of 74338861 in words is "seventy-four million, three hundred thirty-eight thousand, eight hundred sixty-one".