74546641 has 4 divisors (see below), whose sum is σ = 80281012. Its totient is φ = 68812272.

The previous prime is 74546627. The next prime is 74546713. The reversal of 74546641 is 14664547.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4322241 + 70224400 = 2079^2 + 8380^2 .

It is a cyclic number.

It is not a de Polignac number, because 74546641 - 2⁵ = 74546609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74546641.

It is not an unprimeable number, because it can be changed into a prime (74546341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867166 + ... + 2867191.

It is an arithmetic number, because the mean of its divisors is an integer number (20070253).

Almost surely, 2^74546641 is an apocalyptic number.

It is an amenable number.

74546641 is a deficient number, since it is larger than the sum of its proper divisors (5734371).

74546641 is a wasteful number, since it uses less digits than its factorization.

74546641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734370.

The product of its digits is 80640, while the sum is 37.

The square root of 74546641 is about 8634.0396686603. The cubic root of 74546641 is about 420.8648863139.

The spelling of 74546641 in words is "seventy-four million, five hundred forty-six thousand, six hundred forty-one".