8974720 has 64 divisors (see below), whose sum is σ = 22093200. Its totient is φ = 3483648.

The previous prime is 8974711. The next prime is 8974723. The reversal of 8974720 is 274798.

It is a happy number.

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 (37).

It is a self number, because there is not a number n which added to its sum of digits gives 8974720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8974723) 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, 23491 + ... + 23869.

Almost surely, 2^8974720 is an apocalyptic number.

8974720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

8974720 is the 1895-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8974720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11046600).

8974720 is an abundant number, since it is smaller than the sum of its proper divisors (13118480).

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

8974720 is a wasteful number, since it uses less digits than its factorization.

8974720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 8974720 is about 2995.7837038077. The cubic root of 8974720 is about 207.8134421914.

The spelling of 8974720 in words is "eight million, nine hundred seventy-four thousand, seven hundred twenty".