73152551232 has 84 divisors (see below), whose sum is σ = 211714466080. Its totient is φ = 24147424512.

The previous prime is 73152551137. The next prime is 73152551249. The reversal of 73152551232 is 23215525137.

73152551232 is a `hidden beast` number, since 7 + 3 + 1 + 525 + 5 + 123 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 557182 + ... + 675837.

Almost surely, 2^73152551232 is an apocalyptic number.

73152551232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73152551232 is an abundant number, since it is smaller than the sum of its proper divisors (138561914848).

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

73152551232 is a wasteful number, since it uses less digits than its factorization.

73152551232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233140 (or 1233127 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The spelling of 73152551232 in words is "seventy-three billion, one hundred fifty-two million, five hundred fifty-one thousand, two hundred thirty-two".