72265682628 has 24 divisors (see below), whose sum is σ = 187355473760. Its totient is φ = 24088560840.

The previous prime is 72265682617. The next prime is 72265682633. The reversal of 72265682628 is 82628656227.

It is a happy number.

72265682628 is a `hidden beast` number, since 7 + 2 + 2 + 6 + 5 + 6 + 8 + 2 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334563238 + ... + 334563453.

Almost surely, 2^72265682628 is an apocalyptic number.

It is an amenable number.

72265682628 is an abundant number, since it is smaller than the sum of its proper divisors (115089791132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72265682628 is a wasteful number, since it uses less digits than its factorization.

72265682628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669126704 (or 669126696 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 72265682628 in words is "seventy-two billion, two hundred sixty-five million, six hundred eighty-two thousand, six hundred twenty-eight".