74240522 has 16 divisors (see below), whose sum is σ = 115633440. Its totient is φ = 35705712.

The previous prime is 74240521. The next prime is 74240531. The reversal of 74240522 is 22504247.

It is a junction number, because it is equal to n+sod(n) for n = 74240491 and 74240500.

It is not an unprimeable number, because it can be changed into a prime (74240521) 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, 14153 + ... + 18675.

It is an arithmetic number, because the mean of its divisors is an integer number (7227090).

Almost surely, 2^74240522 is an apocalyptic number.

74240522 is a deficient number, since it is larger than the sum of its proper divisors (41392918).

74240522 is a wasteful number, since it uses less digits than its factorization.

74240522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 74240522 is about 8616.2939829140. The cubic root of 74240522 is about 420.2880148448.

Adding to 74240522 its reverse (22504247), we get a palindrome (96744769).

The spelling of 74240522 in words is "seventy-four million, two hundred forty thousand, five hundred twenty-two".