72343574340 has 24 divisors (see below), whose sum is σ = 202562008320. Its totient is φ = 19291619808.

The previous prime is 72343574327. The next prime is 72343574453. The reversal of 72343574340 is 4347534327.

It is a junction number, because it is equal to n+sod(n) for n = 72343574292 and 72343574301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602863060 + ... + 602863179.

It is an arithmetic number, because the mean of its divisors is an integer number (8440083680).

Almost surely, 2^72343574340 is an apocalyptic number.

It is an amenable number.

72343574340 is an abundant number, since it is smaller than the sum of its proper divisors (130218433980).

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

72343574340 is a wasteful number, since it uses less digits than its factorization.

72343574340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205726251 (or 1205726249 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 42.

The spelling of 72343574340 in words is "seventy-two billion, three hundred forty-three million, five hundred seventy-four thousand, three hundred forty".