72452421002284 has 6 divisors (see below), whose sum is σ = 126791736754004. Its totient is φ = 36226210501140.

The previous prime is 72452421002267. The next prime is 72452421002363. The reversal of 72452421002284 is 48220012425427.

It is a self number, because there is not a number n which added to its sum of digits gives 72452421002284.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9056552625282 + ... + 9056552625289.

Almost surely, 2^{72452421002284} is an apocalyptic number.

It is an amenable number.

72452421002284 is a deficient number, since it is larger than the sum of its proper divisors (54339315751720).

72452421002284 is a wasteful number, since it uses less digits than its factorization.

72452421002284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18113105250575 (or 18113105250573 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 43.

The spelling of 72452421002284 in words is "seventy-two trillion, four hundred fifty-two billion, four hundred twenty-one million, two thousand, two hundred eighty-four".