72473380142 has 8 divisors (see below), whose sum is σ = 108713853216. Its totient is φ = 36235429072.

The previous prime is 72473380141. The next prime is 72473380157. The reversal of 72473380142 is 24108337427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72473380142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72473380141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556943 + ... + 674634.

It is an arithmetic number, because the mean of its divisors is an integer number (13589231652).

Almost surely, 2^72473380142 is an apocalyptic number.

72473380142 is a deficient number, since it is larger than the sum of its proper divisors (36240473074).

72473380142 is a wasteful number, since it uses less digits than its factorization.

72473380142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261002.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 72473380142 in words is "seventy-two billion, four hundred seventy-three million, three hundred eighty thousand, one hundred forty-two".