74391063722 has 16 divisors (see below), whose sum is σ = 112774744320. Its totient is φ = 36801529632.

The previous prime is 74391063631. The next prime is 74391063727. The reversal of 74391063722 is 22736019347.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (74391063727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438947 + ... + 584342.

It is an arithmetic number, because the mean of its divisors is an integer number (7048421520).

Almost surely, 2^74391063722 is an apocalyptic number.

74391063722 is a deficient number, since it is larger than the sum of its proper divisors (38383680598).

74391063722 is a wasteful number, since it uses less digits than its factorization.

74391063722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023677.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 74391063722 in words is "seventy-four billion, three hundred ninety-one million, sixty-three thousand, seven hundred twenty-two".