25304670 has 128 divisors (see below), whose sum is σ = 73872000. Its totient is φ = 6137856.

The previous prime is 25304663. The next prime is 25304701. The reversal of 25304670 is 7640352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 169756 + ... + 169904.

It is an arithmetic number, because the mean of its divisors is an integer number (577125).

Almost surely, 2^25304670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25304670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36936000).

25304670 is an abundant number, since it is smaller than the sum of its proper divisors (48567330).

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

25304670 is a wasteful number, since it uses less digits than its factorization.

25304670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 25304670 is about 5030.3747375320. The cubic root of 25304670 is about 293.5847949890.

It can be divided in two parts, 253046 and 70, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 25304670 in words is "twenty-five million, three hundred four thousand, six hundred seventy".