72652866825628 has 24 divisors (see below), whose sum is σ = 128885023674288. Its totient is φ = 35828580744576.

The previous prime is 72652866825593. The next prime is 72652866825677. The reversal of 72652866825628 is 82652866825627.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50286375 + ... + 51710977.

It is an arithmetic number, because the mean of its divisors is an integer number (5370209319762).

Almost surely, 2^{72652866825628} is an apocalyptic number.

It is an amenable number.

72652866825628 is a deficient number, since it is larger than the sum of its proper divisors (56232156848660).

72652866825628 is a wasteful number, since it uses less digits than its factorization.

72652866825628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599333 (or 1599331 counting only the distinct ones).

The product of its digits is 1857945600, while the sum is 73.

Subtracting 72652866825628 from its reverse (82652866825627), we obtain a palindrome (9999999999999).

The spelling of 72652866825628 in words is "seventy-two trillion, six hundred fifty-two billion, eight hundred sixty-six million, eight hundred twenty-five thousand, six hundred twenty-eight".