74300143 has 4 divisors (see below), whose sum is σ = 77530608. Its totient is φ = 71069680.

The previous prime is 74300141. The next prime is 74300147. The reversal of 74300143 is 34100347.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74300143 - 2¹ = 74300141 is a prime.

It is a super-2 number, since 2×74300143² = 11041022499640898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74300141) 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, 1615198 + ... + 1615243.

It is an arithmetic number, because the mean of its divisors is an integer number (19382652).

Almost surely, 2^74300143 is an apocalyptic number.

74300143 is a deficient number, since it is larger than the sum of its proper divisors (3230465).

74300143 is a wasteful number, since it uses less digits than its factorization.

74300143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230464.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 74300143 is about 8619.7530707092. The cubic root of 74300143 is about 420.4004928923.

It can be divided in two parts, 743001 and 43, that added together give a square (743044 = 862²).

The spelling of 74300143 in words is "seventy-four million, three hundred thousand, one hundred forty-three".