72556676450 has 48 divisors (see below), whose sum is σ = 139356080640. Its totient is φ = 28076928000.

The previous prime is 72556676407. The next prime is 72556676459. The reversal of 72556676450 is 5467665527.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72556676392 and 72556676401.

It is not an unprimeable number, because it can be changed into a prime (72556676459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6056066 + ... + 6068034.

It is an arithmetic number, because the mean of its divisors is an integer number (2903251680).

Almost surely, 2^72556676450 is an apocalyptic number.

72556676450 is a deficient number, since it is larger than the sum of its proper divisors (66799404190).

72556676450 is a wasteful number, since it uses less digits than its factorization.

72556676450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923 (or 15918 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 72556676450 in words is "seventy-two billion, five hundred fifty-six million, six hundred seventy-six thousand, four hundred fifty".