25322970 has 64 divisors (see below), whose sum is σ = 63765504. Its totient is φ = 6428160.

The previous prime is 25322959. The next prime is 25322993. The reversal of 25322970 is 7922352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67704 + ... + 68076.

It is an arithmetic number, because the mean of its divisors is an integer number (996336).

Almost surely, 2^25322970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25322970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31882752).

25322970 is an abundant number, since it is smaller than the sum of its proper divisors (38442534).

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

25322970 is a wasteful number, since it uses less digits than its factorization.

25322970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 25322970 is about 5032.1933587651. The cubic root of 25322970 is about 293.6555501387.

The spelling of 25322970 in words is "twenty-five million, three hundred twenty-two thousand, nine hundred seventy".