72288307346 has 8 divisors (see below), whose sum is σ = 109738876464. Its totient is φ = 35708681860.

The previous prime is 72288307313. The next prime is 72288307363. The reversal of 72288307346 is 64370388227.

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

It is a junction number, because it is equal to n+sod(n) for n = 72288307294 and 72288307303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217735700 + ... + 217736031.

It is an arithmetic number, because the mean of its divisors is an integer number (13717359558).

Almost surely, 2^72288307346 is an apocalyptic number.

72288307346 is a deficient number, since it is larger than the sum of its proper divisors (37450569118).

72288307346 is a wasteful number, since it uses less digits than its factorization.

72288307346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435471816.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 72288307346 in words is "seventy-two billion, two hundred eighty-eight million, three hundred seven thousand, three hundred forty-six".