73153472472 has 24 divisors (see below), whose sum is σ = 198123988140. Its totient is φ = 24384490800.

The previous prime is 73153472461. The next prime is 73153472479. The reversal of 73153472472 is 27427435137.

73153472472 is a `hidden beast` number, since 7 + 3 + 1 + 534 + 72 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73153472479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508010154 + ... + 508010297.

Almost surely, 2^73153472472 is an apocalyptic number.

73153472472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73153472472 is an abundant number, since it is smaller than the sum of its proper divisors (124970515668).

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

73153472472 is a wasteful number, since it uses less digits than its factorization.

73153472472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016020463 (or 1016020456 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The spelling of 73153472472 in words is "seventy-three billion, one hundred fifty-three million, four hundred seventy-two thousand, four hundred seventy-two".