74281440722 has 16 divisors (see below), whose sum is σ = 114498827520. Its totient is φ = 36116309808.

The previous prime is 74281440719. The next prime is 74281440787. The reversal of 74281440722 is 22704418247.

It is a self number, because there is not a number n which added to its sum of digits gives 74281440722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155168 + ... + 415499.

It is an arithmetic number, because the mean of its divisors is an integer number (7156176720).

Almost surely, 2^74281440722 is an apocalyptic number.

74281440722 is a deficient number, since it is larger than the sum of its proper divisors (40217386798).

74281440722 is a wasteful number, since it uses less digits than its factorization.

74281440722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572465.

The product of its (nonzero) digits is 200704, while the sum is 41.

Adding to 74281440722 its reverse (22704418247), we get a palindrome (96985858969).

The spelling of 74281440722 in words is "seventy-four billion, two hundred eighty-one million, four hundred forty thousand, seven hundred twenty-two".