25623670 has 16 divisors (see below), whose sum is σ = 47611008. Its totient is φ = 9918720.

The previous prime is 25623667. The next prime is 25623673. The reversal of 25623670 is 7632652.

It is an interprime number because it is at equal distance from previous prime (25623667) and next prime (25623673).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25623673) 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, 41019 + ... + 41638.

It is an arithmetic number, because the mean of its divisors is an integer number (2975688).

Almost surely, 2^25623670 is an apocalyptic number.

25623670 is a deficient number, since it is larger than the sum of its proper divisors (21987338).

25623670 is a wasteful number, since it uses less digits than its factorization.

25623670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82695.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 25623670 is about 5061.9828130882. The cubic root of 25623670 is about 294.8133263118.

The spelling of 25623670 in words is "twenty-five million, six hundred twenty-three thousand, six hundred seventy".