72634178112 has 56 divisors (see below), whose sum is σ = 200533503936. Its totient is φ = 23158722048.

The previous prime is 72634178083. The next prime is 72634178117. The reversal of 72634178112 is 21187143627.

It is not an unprimeable number, because it can be changed into a prime (72634178117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8219563 + ... + 8228394.

Almost surely, 2^72634178112 is an apocalyptic number.

It is an amenable number.

72634178112 is an abundant number, since it is smaller than the sum of its proper divisors (127899325824).

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

72634178112 is a wasteful number, since it uses less digits than its factorization.

72634178112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16447995 (or 16447985 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The spelling of 72634178112 in words is "seventy-two billion, six hundred thirty-four million, one hundred seventy-eight thousand, one hundred twelve".