74037143 has 4 divisors (see below), whose sum is σ = 74236008. Its totient is φ = 73838280.

The previous prime is 74037133. The next prime is 74037163. The reversal of 74037143 is 34173047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34173047 = 101 ⋅338347.

It is a cyclic number.

It is not a de Polignac number, because 74037143 - 2⁴ = 74037127 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 (74037113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98873 + ... + 99618.

It is an arithmetic number, because the mean of its divisors is an integer number (18559002).

Almost surely, 2^74037143 is an apocalyptic number.

74037143 is a deficient number, since it is larger than the sum of its proper divisors (198865).

74037143 is a wasteful number, since it uses less digits than its factorization.

74037143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198864.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 74037143 is about 8604.4838892289. The cubic root of 74037143 is about 419.9038763394.

The spelling of 74037143 in words is "seventy-four million, thirty-seven thousand, one hundred forty-three".