74454743 has 8 divisors (see below), whose sum is σ = 81320976. Its totient is φ = 67604800.

The previous prime is 74454733. The next prime is 74454761. The reversal of 74454743 is 34745447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74454743 - 2¹² = 74450647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74454697 and 74454706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74454733) 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 7 ways as a sum of consecutive naturals, for example, 6755 + ... + 13947.

It is an arithmetic number, because the mean of its divisors is an integer number (10165122).

Almost surely, 2^74454743 is an apocalyptic number.

74454743 is a deficient number, since it is larger than the sum of its proper divisors (6866233).

74454743 is a wasteful number, since it uses less digits than its factorization.

74454743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145.

The product of its digits is 188160, while the sum is 38.

The square root of 74454743 is about 8628.7161849258. The cubic root of 74454743 is about 420.6918736216.

The spelling of 74454743 in words is "seventy-four million, four hundred fifty-four thousand, seven hundred forty-three".