74900143 has 2 divisors, whose sum is σ = 74900144. Its totient is φ = 74900142.

The previous prime is 74900141. The next prime is 74900159. The reversal of 74900143 is 34100947.

It is a weak prime.

It is an emirp because it is prime and its reverse (34100947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74900143 - 2¹ = 74900141 is a prime.

It is a super-2 number, since 2×74900143² = 11220062842840898, which contains 22 as substring.

Together with 74900141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74900141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37450071 + 37450072.

It is an arithmetic number, because the mean of its divisors is an integer number (37450072).

Almost surely, 2^74900143 is an apocalyptic number.

74900143 is a deficient number, since it is larger than the sum of its proper divisors (1).

74900143 is an equidigital number, since it uses as much as digits as its factorization.

74900143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 74900143 is about 8654.4868709820. The cubic root of 74900143 is about 421.5290880684.

The spelling of 74900143 in words is "seventy-four million, nine hundred thousand, one hundred forty-three".