9749472 has 48 divisors (see below), whose sum is σ = 26227152. Its totient is φ = 3169280.

The previous prime is 9749461. The next prime is 9749479. The reversal of 9749472 is 2749479.

It is a tau number, because it is divible by the number of its divisors (48).

It is a d-powerful number, because it can be written as 9⁷ + 7³ + 4 + 9⁷ + 4⁸ + 7⁶ + 2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9749479) 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, 2698 + ... + 5174.

It is an arithmetic number, because the mean of its divisors is an integer number (546399).

Almost surely, 2^9749472 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 9749472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13113576).

9749472 is an abundant number, since it is smaller than the sum of its proper divisors (16477680).

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

9749472 is a wasteful number, since it uses less digits than its factorization.

9749472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531 (or 2523 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 9749472 is about 3122.4144503893. The cubic root of 9749472 is about 213.6290776669.

The spelling of 9749472 in words is "nine million, seven hundred forty-nine thousand, four hundred seventy-two".