72936442952 has 16 divisors (see below), whose sum is σ = 137342768940. Its totient is φ = 36311704576.

The previous prime is 72936442919. The next prime is 72936442963. The reversal of 72936442952 is 25924463927.

It can be written as a sum of positive squares in 2 ways, for example, as 72924842116 + 11600836 = 270046^2 + 3406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72936442894 and 72936442903.

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, 19562633 + ... + 19566360.

Almost surely, 2^72936442952 is an apocalyptic number.

It is an amenable number.

72936442952 is a deficient number, since it is larger than the sum of its proper divisors (64406325988).

72936442952 is a wasteful number, since it uses less digits than its factorization.

72936442952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39129232 (or 39129228 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 53.

The spelling of 72936442952 in words is "seventy-two billion, nine hundred thirty-six million, four hundred forty-two thousand, nine hundred fifty-two".