73147437460 has 24 divisors (see below), whose sum is σ = 153615227976. Its totient is φ = 29257906560.

The previous prime is 73147437439. The next prime is 73147437469. The reversal of 73147437460 is 6473474137.

It can be written as a sum of positive squares in 4 ways, for example, as 2296709776 + 70850727684 = 47924^2 + 266178^2 .

It is a super-2 number, since 2×73147437460² (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 73147437460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73147437469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721674 + ... + 816766.

It is an arithmetic number, because the mean of its divisors is an integer number (6400634499).

Almost surely, 2^73147437460 is an apocalyptic number.

It is an amenable number.

73147437460 is an abundant number, since it is smaller than the sum of its proper divisors (80467790516).

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

73147437460 is a wasteful number, since it uses less digits than its factorization.

73147437460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133563 (or 133561 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 46.

The spelling of 73147437460 in words is "seventy-three billion, one hundred forty-seven million, four hundred thirty-seven thousand, four hundred sixty".