9774725748 has 48 divisors (see below), whose sum is σ = 23898247296. Its totient is φ = 3103626240.

The previous prime is 9774725699. The next prime is 9774725767. The reversal of 9774725748 is 8475274779.

It is a super-2 number, since 2×9774725748² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9774725691 and 9774725700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6961 + ... + 139992.

It is an arithmetic number, because the mean of its divisors is an integer number (497880152).

Almost surely, 2^9774725748 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 9774725748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11949123648).

9774725748 is an abundant number, since it is smaller than the sum of its proper divisors (14123521548).

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

9774725748 is a wasteful number, since it uses less digits than its factorization.

9774725748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147224 (or 147222 counting only the distinct ones).

The product of its digits is 27659520, while the sum is 60.

The square root of 9774725748 is about 98867.2127047182. The cubic root of 9774725748 is about 2138.1337084284.

The spelling of 9774725748 in words is "nine billion, seven hundred seventy-four million, seven hundred twenty-five thousand, seven hundred forty-eight".