72453431192 has 8 divisors (see below), whose sum is σ = 135850183500. Its totient is φ = 36226715592.

The previous prime is 72453431189. The next prime is 72453431201. The reversal of 72453431192 is 29113435427.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4528339442 + ... + 4528339457.

Almost surely, 2^72453431192 is an apocalyptic number.

It is an amenable number.

72453431192 is a deficient number, since it is larger than the sum of its proper divisors (63396752308).

72453431192 is a wasteful number, since it uses less digits than its factorization.

72453431192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056678905 (or 9056678901 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The spelling of 72453431192 in words is "seventy-two billion, four hundred fifty-three million, four hundred thirty-one thousand, one hundred ninety-two".