72343677340 has 48 divisors (see below), whose sum is σ = 166210579584. Its totient is φ = 26230952000.

The previous prime is 72343677337. The next prime is 72343677349. The reversal of 72343677340 is 4377634327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72343677349) 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, 397486 + ... + 550165.

It is an arithmetic number, because the mean of its divisors is an integer number (3462720408).

Almost surely, 2^72343677340 is an apocalyptic number.

It is an amenable number.

72343677340 is an abundant number, since it is smaller than the sum of its proper divisors (93866902244).

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

72343677340 is a wasteful number, since it uses less digits than its factorization.

72343677340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948018 (or 948016 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 46.

The spelling of 72343677340 in words is "seventy-two billion, three hundred forty-three million, six hundred seventy-seven thousand, three hundred forty".