4999987072 has 64 divisors (see below), whose sum is σ = 10084046400. Its totient is φ = 2469289984.

The previous prime is 4999987051. The next prime is 4999987073. The reversal of 4999987072 is 2707899994.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 4999986995 and 4999987013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999987073) 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, 4190508 + ... + 4191700.

It is an arithmetic number, because the mean of its divisors is an integer number (157563225).

Almost surely, 2^4999987072 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 4999987072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5042023200).

4999987072 is an abundant number, since it is smaller than the sum of its proper divisors (5084059328).

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

4999987072 is a wasteful number, since it uses less digits than its factorization.

4999987072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 64.

The square root of 4999987072 is about 70710.5867038310. The cubic root of 4999987072 is about 1709.9744729042.

The spelling of 4999987072 in words is "four billion, nine hundred ninety-nine million, nine hundred eighty-seven thousand, seventy-two".