73534247912 has 16 divisors (see below), whose sum is σ = 138204219300. Its totient is φ = 36679789440.

The previous prime is 73534247879. The next prime is 73534247929. The reversal of 73534247912 is 21974243537.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73509307876 + 24940036 = 271126^2 + 4994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10913237 + ... + 10919972.

Almost surely, 2^73534247912 is an apocalyptic number.

It is an amenable number.

73534247912 is a deficient number, since it is larger than the sum of its proper divisors (64669971388).

73534247912 is a wasteful number, since it uses less digits than its factorization.

73534247912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21833636 (or 21833632 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The spelling of 73534247912 in words is "seventy-three billion, five hundred thirty-four million, two hundred forty-seven thousand, nine hundred twelve".