74727443 has 8 divisors (see below), whose sum is σ = 86484480. Its totient is φ = 63240840.

The previous prime is 74727431. The next prime is 74727463. The reversal of 74727443 is 34472747.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74727443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74727397 and 74727406.

It is not an unprimeable number, because it can be changed into a prime (74727463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67013 + ... + 68118.

It is an arithmetic number, because the mean of its divisors is an integer number (10810560).

Almost surely, 2^74727443 is an apocalyptic number.

74727443 is a deficient number, since it is larger than the sum of its proper divisors (11757037).

74727443 is a wasteful number, since it uses less digits than its factorization.

74727443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135217.

The product of its digits is 131712, while the sum is 38.

The square root of 74727443 is about 8644.5036294746. The cubic root of 74727443 is about 421.2048603993.

It can be divided in two parts, 7472744 and 3, that added together give a palindrome (7472747).

The spelling of 74727443 in words is "seventy-four million, seven hundred twenty-seven thousand, four hundred forty-three".