74157113 has 4 divisors (see below), whose sum is σ = 74433060. Its totient is φ = 73881168.

The previous prime is 74157107. The next prime is 74157119. The reversal of 74157113 is 31175147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31175147 = 47 ⋅663301.

It is an interprime number because it is at equal distance from previous prime (74157107) and next prime (74157119).

It can be written as a sum of positive squares in 2 ways, for example, as 20457529 + 53699584 = 4523^2 + 7328^2 .

It is a cyclic number.

It is not a de Polignac number, because 74157113 - 2¹² = 74153017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74157119) 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, 137570 + ... + 138107.

It is an arithmetic number, because the mean of its divisors is an integer number (18608265).

Almost surely, 2^74157113 is an apocalyptic number.

It is an amenable number.

74157113 is a deficient number, since it is larger than the sum of its proper divisors (275947).

74157113 is a wasteful number, since it uses less digits than its factorization.

74157113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275946.

The product of its digits is 2940, while the sum is 29.

The square root of 74157113 is about 8611.4524326620. The cubic root of 74157113 is about 420.1305584286.

The spelling of 74157113 in words is "seventy-four million, one hundred fifty-seven thousand, one hundred thirteen".