8525730 has 16 divisors (see below), whose sum is σ = 20461824. Its totient is φ = 2273520.

The previous prime is 8525729. The next prime is 8525731. The reversal of 8525730 is 375258.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8525729) and next prime (8525731).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 284191 = 8525730 / (8 + 5 + 2 + 5 + 7 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (8525731) 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, 142066 + ... + 142125.

It is an arithmetic number, because the mean of its divisors is an integer number (1278864).

Almost surely, 2^8525730 is an apocalyptic number.

8525730 is an abundant number, since it is smaller than the sum of its proper divisors (11936094).

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

8525730 is a wasteful number, since it uses less digits than its factorization.

8525730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284201.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 8525730 is about 2919.8852717187. The cubic root of 8525730 is about 204.2884711653.

The spelling of 8525730 in words is "eight million, five hundred twenty-five thousand, seven hundred thirty".