74847641 has 8 divisors (see below), whose sum is σ = 83389824. Its totient is φ = 66595120.

The previous prime is 74847629. The next prime is 74847659. The reversal of 74847641 is 14674847.

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 74847641 - 2¹⁴ = 74831257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74847541) 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, 71870 + ... + 72903.

It is an arithmetic number, because the mean of its divisors is an integer number (10423728).

Almost surely, 2^74847641 is an apocalyptic number.

It is an amenable number.

74847641 is a deficient number, since it is larger than the sum of its proper divisors (8542183).

74847641 is a wasteful number, since it uses less digits than its factorization.

74847641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144831.

The product of its digits is 150528, while the sum is 41.

The square root of 74847641 is about 8651.4531149397. The cubic root of 74847641 is about 421.4305733780.

The spelling of 74847641 in words is "seventy-four million, eight hundred forty-seven thousand, six hundred forty-one".