73348470447 has 16 divisors (see below), whose sum is σ = 117651682560. Its totient is φ = 39707442432.

The previous prime is 73348470443. The next prime is 73348470449. The reversal of 73348470447 is 74407484337.

It is a happy number.

It is not a de Polignac number, because 73348470447 - 2² = 73348470443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73348470447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73348470443) 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, 91914978 + ... + 91915775.

It is an arithmetic number, because the mean of its divisors is an integer number (7353230160).

Almost surely, 2^73348470447 is an apocalyptic number.

73348470447 is a deficient number, since it is larger than the sum of its proper divisors (44303212113).

73348470447 is a wasteful number, since it uses less digits than its factorization.

73348470447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183830782.

The product of its (nonzero) digits is 6322176, while the sum is 51.

The spelling of 73348470447 in words is "seventy-three billion, three hundred forty-eight million, four hundred seventy thousand, four hundred forty-seven".