72446664172354 has 8 divisors (see below), whose sum is σ = 108670106603520. Its totient is φ = 36223295304516.

The previous prime is 72446664172301. The next prime is 72446664172361. The reversal of 72446664172354 is 45327146664427.

It is a happy number.

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 = 72446664172292 and 72446664172301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15859074 + ... + 19909885.

It is an arithmetic number, because the mean of its divisors is an integer number (13583763325440).

Almost surely, 2^{72446664172354} is an apocalyptic number.

72446664172354 is a deficient number, since it is larger than the sum of its proper divisors (36223442431166).

72446664172354 is a wasteful number, since it uses less digits than its factorization.

72446664172354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36781664.

The product of its digits is 162570240, while the sum is 61.

The spelling of 72446664172354 in words is "seventy-two trillion, four hundred forty-six billion, six hundred sixty-four million, one hundred seventy-two thousand, three hundred fifty-four".