74387841 has 8 divisors (see below), whose sum is σ = 108200544. Its totient is φ = 45083520.

The previous prime is 74387809. The next prime is 74387843. The reversal of 74387841 is 14878347.

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

It is not a de Polignac number, because 74387841 - 2⁵ = 74387809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74387793 and 74387802.

It is not an unprimeable number, because it can be changed into a prime (74387843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127056 + ... + 1127121.

It is an arithmetic number, because the mean of its divisors is an integer number (13525068).

Almost surely, 2^74387841 is an apocalyptic number.

It is an amenable number.

74387841 is a deficient number, since it is larger than the sum of its proper divisors (33812703).

74387841 is a wasteful number, since it uses less digits than its factorization.

74387841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254191.

The product of its digits is 150528, while the sum is 42.

The square root of 74387841 is about 8624.8386071856. The cubic root of 74387841 is about 420.5658303330.

The spelling of 74387841 in words is "seventy-four million, three hundred eighty-seven thousand, eight hundred forty-one".