72118376284 has 6 divisors (see below), whose sum is σ = 126207158504. Its totient is φ = 36059188140.

The previous prime is 72118376261. The next prime is 72118376339. The reversal of 72118376284 is 48267381127.

It is a super-2 number, since 2×72118376284² (a number of 23 digits) contains 22 as substring.

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, 9014797032 + ... + 9014797039.

Almost surely, 2^72118376284 is an apocalyptic number.

It is an amenable number.

72118376284 is a deficient number, since it is larger than the sum of its proper divisors (54088782220).

72118376284 is a wasteful number, since it uses less digits than its factorization.

72118376284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18029594075 (or 18029594073 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The spelling of 72118376284 in words is "seventy-two billion, one hundred eighteen million, three hundred seventy-six thousand, two hundred eighty-four".