28730001445752 has 32 divisors (see below), whose sum is σ = 72030805938000. Its totient is φ = 9549226838784.

The previous prime is 28730001445751. The next prime is 28730001445771. The reversal of 28730001445752 is 25754410003782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28730001445751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715010813 + ... + 1715027564.

Almost surely, 2^{28730001445752} is an apocalyptic number.

It is an amenable number.

28730001445752 is an abundant number, since it is smaller than the sum of its proper divisors (43300804492248).

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

28730001445752 is a wasteful number, since it uses less digits than its factorization.

28730001445752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430038735 (or 3430038731 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 28730001445752 in words is "twenty-eight trillion, seven hundred thirty billion, one million, four hundred forty-five thousand, seven hundred fifty-two".