72420014543216 has 10 divisors (see below), whose sum is σ = 140313778177512. Its totient is φ = 36210007271600.

The previous prime is 72420014543131. The next prime is 72420014543237. The reversal of 72420014543216 is 61234541002427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2263125454460 + ... + 2263125454491.

Almost surely, 2^{72420014543216} is an apocalyptic number.

It is an amenable number.

72420014543216 is a deficient number, since it is larger than the sum of its proper divisors (67893763634296).

72420014543216 is a wasteful number, since it uses less digits than its factorization.

72420014543216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526250908959 (or 4526250908953 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 72420014543216 in words is "seventy-two trillion, four hundred twenty billion, fourteen million, five hundred forty-three thousand, two hundred sixteen".