73271491682 has 64 divisors (see below), whose sum is σ = 120889311840. Its totient is φ = 33166135296.

The previous prime is 73271491663. The next prime is 73271491687. The reversal of 73271491682 is 28619417237.

It can be written as a sum of positive squares in 16 ways, for example, as 61637496361 + 11633995321 = 248269^2 + 107861^2 .

It is a super-2 number, since 2×73271491682² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73271491682.

It is not an unprimeable number, because it can be changed into a prime (73271491687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42873044 + ... + 42874752.

Almost surely, 2^73271491682 is an apocalyptic number.

73271491682 is a deficient number, since it is larger than the sum of its proper divisors (47617820158).

73271491682 is a wasteful number, since it uses less digits than its factorization.

73271491682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its digits is 1016064, while the sum is 50.

The spelling of 73271491682 in words is "seventy-three billion, two hundred seventy-one million, four hundred ninety-one thousand, six hundred eighty-two".