74031216863 has 16 divisors (see below), whose sum is σ = 76468639104. Its totient is φ = 71617271040.

The previous prime is 74031216799. The next prime is 74031216877. The reversal of 74031216863 is 36861213047.

It is not a de Polignac number, because 74031216863 - 2⁶ = 74031216799 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 74031216863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74031216263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16667723 + ... + 16672163.

It is an arithmetic number, because the mean of its divisors is an integer number (4779289944).

Almost surely, 2^74031216863 is an apocalyptic number.

74031216863 is a deficient number, since it is larger than the sum of its proper divisors (2437422241).

74031216863 is a wasteful number, since it uses less digits than its factorization.

74031216863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 74031216863 in words is "seventy-four billion, thirty-one million, two hundred sixteen thousand, eight hundred sixty-three".