25045670 has 64 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 8709120.

The previous prime is 25045663. The next prime is 25045679. The reversal of 25045670 is 7654052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197147 + ... + 197273.

It is an arithmetic number, because the mean of its divisors is an integer number (804384).

Almost surely, 2^25045670 is an apocalyptic number.

25045670 is an abundant number, since it is smaller than the sum of its proper divisors (26434906).

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

25045670 is a wasteful number, since it uses less digits than its factorization.

25045670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25045670 is about 5004.5649161541. The cubic root of 25045670 is about 292.5797186955.

The spelling of 25045670 in words is "twenty-five million, forty-five thousand, six hundred seventy".