30875252736 has 96 divisors (see below), whose sum is σ = 83357164800. Its totient is φ = 10161315840.

The previous prime is 30875252731. The next prime is 30875252743. The reversal of 30875252736 is 63725257803.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30875252731) 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, 453571 + ... + 517181.

It is an arithmetic number, because the mean of its divisors is an integer number (868303800).

Almost surely, 2^30875252736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30875252736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41678582400).

30875252736 is an abundant number, since it is smaller than the sum of its proper divisors (52481912064).

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

30875252736 is an equidigital number, since it uses as much as digits as its factorization.

30875252736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63715 (or 63695 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 30875252736 in words is "thirty billion, eight hundred seventy-five million, two hundred fifty-two thousand, seven hundred thirty-six".