73318403128 has 32 divisors (see below), whose sum is σ = 140714184960. Its totient is φ = 35798145760.

The previous prime is 73318403101. The next prime is 73318403153. The reversal of 73318403128 is 82130481337.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53518 + ... + 386653.

It is an arithmetic number, because the mean of its divisors is an integer number (4397318280).

Almost surely, 2^73318403128 is an apocalyptic number.

It is an amenable number.

73318403128 is a deficient number, since it is larger than the sum of its proper divisors (67395781832).

73318403128 is a wasteful number, since it uses less digits than its factorization.

73318403128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440667 (or 440663 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 73318403128 in words is "seventy-three billion, three hundred eighteen million, four hundred three thousand, one hundred twenty-eight".