72425820028 has 24 divisors (see below), whose sum is σ = 131334452480. Its totient is φ = 34923011760.

The previous prime is 72425820013. The next prime is 72425820091. The reversal of 72425820028 is 82002852427.

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, 2651478 + ... + 2678653.

Almost surely, 2^72425820028 is an apocalyptic number.

It is an amenable number.

72425820028 is a deficient number, since it is larger than the sum of its proper divisors (58908632452).

72425820028 is a wasteful number, since it uses less digits than its factorization.

72425820028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330257 (or 5330255 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The spelling of 72425820028 in words is "seventy-two billion, four hundred twenty-five million, eight hundred twenty thousand, twenty-eight".