72673307140 has 48 divisors (see below), whose sum is σ = 184675704192. Its totient is φ = 23450881536.

The previous prime is 72673307131. The next prime is 72673307141. The reversal of 72673307140 is 4170337627.

It is a junction number, because it is equal to n+sod(n) for n = 72673307093 and 72673307102.

It is not an unprimeable number, because it can be changed into a prime (72673307141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15265122 + ... + 15269881.

It is an arithmetic number, because the mean of its divisors is an integer number (3847410504).

Almost surely, 2^72673307140 is an apocalyptic number.

72673307140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72673307140 is an abundant number, since it is smaller than the sum of its proper divisors (112002397052).

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

72673307140 is a wasteful number, since it uses less digits than its factorization.

72673307140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30535036 (or 30535034 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 72673307140 in words is "seventy-two billion, six hundred seventy-three million, three hundred seven thousand, one hundred forty".