71473758493 has 8 divisors (see below), whose sum is σ = 73085231448. Its totient is φ = 69872023104.

The previous prime is 71473758467. The next prime is 71473758547. The reversal of 71473758493 is 39485737417.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25051608729 + 46422149764 = 158277^2 + 215458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71473758493 - 2³³ = 62883823901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71473758463) by changing a digit.

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, 2419546 + ... + 2448907.

It is an arithmetic number, because the mean of its divisors is an integer number (9135653931).

Almost surely, 2^71473758493 is an apocalyptic number.

It is an amenable number.

71473758493 is a deficient number, since it is larger than the sum of its proper divisors (1611472955).

71473758493 is a wasteful number, since it uses less digits than its factorization.

71473758493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868783.

The product of its digits is 17781120, while the sum is 58.

The spelling of 71473758493 in words is "seventy-one billion, four hundred seventy-three million, seven hundred fifty-eight thousand, four hundred ninety-three".