72412003170152 has 16 divisors (see below), whose sum is σ = 135785465202660. Its totient is φ = 36202545782784.

The previous prime is 72412003170119. The next prime is 72412003170161. The reversal of 72412003170152 is 25107130021427.

It can be written as a sum of positive squares in 2 ways, for example, as 72383783873956 + 28219296196 = 8507866^2 + 167986^2 .

It is a super-2 number, since 2×72412003170152² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431886233 + ... + 432053864.

Almost surely, 2^{72412003170152} is an apocalyptic number.

It is an amenable number.

72412003170152 is a deficient number, since it is larger than the sum of its proper divisors (63373462032508).

72412003170152 is a wasteful number, since it uses less digits than its factorization.

72412003170152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863950580 (or 863950576 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 72412003170152 its reverse (25107130021427), we get a palindrome (97519133191579).

The spelling of 72412003170152 in words is "seventy-two trillion, four hundred twelve billion, three million, one hundred seventy thousand, one hundred fifty-two".