73648873132 has 6 divisors (see below), whose sum is σ = 128885527988. Its totient is φ = 36824436564.

The previous prime is 73648873127. The next prime is 73648873141. The reversal of 73648873132 is 23137884637.

It is a happy number.

It is a super-2 number, since 2×73648873132² (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 73648873132.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9206109138 + ... + 9206109145.

Almost surely, 2^73648873132 is an apocalyptic number.

It is an amenable number.

73648873132 is a deficient number, since it is larger than the sum of its proper divisors (55236654856).

73648873132 is a wasteful number, since it uses less digits than its factorization.

73648873132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18412218287 (or 18412218285 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The spelling of 73648873132 in words is "seventy-three billion, six hundred forty-eight million, eight hundred seventy-three thousand, one hundred thirty-two".