72738414132 has 12 divisors (see below), whose sum is σ = 169722966336. Its totient is φ = 24246138040.

The previous prime is 72738414113. The next prime is 72738414137. The reversal of 72738414132 is 23141483727.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72738414137) 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, 3030767244 + ... + 3030767267.

It is an arithmetic number, because the mean of its divisors is an integer number (14143580528).

Almost surely, 2^72738414132 is an apocalyptic number.

It is an amenable number.

72738414132 is an abundant number, since it is smaller than the sum of its proper divisors (96984552204).

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

72738414132 is a wasteful number, since it uses less digits than its factorization.

72738414132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061534518 (or 6061534516 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

Adding to 72738414132 its reverse (23141483727), we get a palindrome (95879897859).

The spelling of 72738414132 in words is "seventy-two billion, seven hundred thirty-eight million, four hundred fourteen thousand, one hundred thirty-two".