28762524720 has 120 divisors (see below), whose sum is σ = 96868639296. Its totient is φ = 7648210944.

The previous prime is 28762524697. The next prime is 28762524733. The reversal of 28762524720 is 2742526782.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×28762524720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197577 + ... + 310743.

Almost surely, 2^28762524720 is an apocalyptic number.

28762524720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28762524720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48434319648).

28762524720 is an abundant number, since it is smaller than the sum of its proper divisors (68106114576).

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

28762524720 is a wasteful number, since it uses less digits than its factorization.

28762524720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113539 (or 113530 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 28762524720 in words is "twenty-eight billion, seven hundred sixty-two million, five hundred twenty-four thousand, seven hundred twenty".