74382743 has 2 divisors, whose sum is σ = 74382744. Its totient is φ = 74382742.

The previous prime is 74382727. The next prime is 74382761. The reversal of 74382743 is 34728347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74382743 - 2⁴ = 74382727 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74382697 and 74382706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74382703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37191371 + 37191372.

It is an arithmetic number, because the mean of its divisors is an integer number (37191372).

Almost surely, 2^74382743 is an apocalyptic number.

74382743 is a deficient number, since it is larger than the sum of its proper divisors (1).

74382743 is an equidigital number, since it uses as much as digits as its factorization.

74382743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 38.

The square root of 74382743 is about 8624.5430603598. The cubic root of 74382743 is about 420.5562226088.

The spelling of 74382743 in words is "seventy-four million, three hundred eighty-two thousand, seven hundred forty-three".