25229970 has 48 divisors (see below), whose sum is σ = 67721472. Its totient is φ = 6510240.

The previous prime is 25229957. The next prime is 25229999. The reversal of 25229970 is 7992252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1732 + ... + 7311.

It is an arithmetic number, because the mean of its divisors is an integer number (1410864).

Almost surely, 2^25229970 is an apocalyptic number.

25229970 is an abundant number, since it is smaller than the sum of its proper divisors (42491502).

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

25229970 is a wasteful number, since it uses less digits than its factorization.

25229970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087 (or 9084 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 25229970 is about 5022.9443556544. The cubic root of 25229970 is about 293.2956204385.

The spelling of 25229970 in words is "twenty-five million, two hundred twenty-nine thousand, nine hundred seventy".