74309431746 has 32 divisors (see below), whose sum is σ = 164877638400. Its totient is φ = 22136347280.

The previous prime is 74309431741. The next prime is 74309431747. The reversal of 74309431746 is 64713490347.

It is a junction number, because it is equal to n+sod(n) for n = 74309431695 and 74309431704.

It is not an unprimeable number, because it can be changed into a prime (74309431741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9537636 + ... + 9545423.

It is an arithmetic number, because the mean of its divisors is an integer number (5152426200).

Almost surely, 2^74309431746 is an apocalyptic number.

74309431746 is an abundant number, since it is smaller than the sum of its proper divisors (90568206654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74309431746 is a wasteful number, since it uses less digits than its factorization.

74309431746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19083134.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 74309431746 in words is "seventy-four billion, three hundred nine million, four hundred thirty-one thousand, seven hundred forty-six".