74240241 has 16 divisors (see below), whose sum is σ = 107645184. Its totient is φ = 45321984.

The previous prime is 74240219. The next prime is 74240267. The reversal of 74240241 is 14204247.

It is not a de Polignac number, because 74240241 - 2²¹ = 72143089 is a prime.

It is a super-2 number, since 2×74240241² = 11023226767476162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74240141) 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 15 ways as a sum of consecutive naturals, for example, 17785 + ... + 21558.

It is an arithmetic number, because the mean of its divisors is an integer number (6727824).

Almost surely, 2^74240241 is an apocalyptic number.

It is an amenable number.

74240241 is a deficient number, since it is larger than the sum of its proper divisors (33404943).

74240241 is a wasteful number, since it uses less digits than its factorization.

74240241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39400.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 74240241 is about 8616.2776765840. The cubic root of 74240241 is about 420.2874845815.

Adding to 74240241 its reverse (14204247), we get a palindrome (88444488).

The spelling of 74240241 in words is "seventy-four million, two hundred forty thousand, two hundred forty-one".