25628700 has 36 divisors (see below), whose sum is σ = 74153240. Its totient is φ = 6834240.

The previous prime is 25628689. The next prime is 25628717. The reversal of 25628700 is 782652.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42415 + ... + 43014.

Almost surely, 2^25628700 is an apocalyptic number.

25628700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25628700 is an abundant number, since it is smaller than the sum of its proper divisors (48524540).

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

25628700 is a wasteful number, since it uses less digits than its factorization.

25628700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85446 (or 85439 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 25628700 is about 5062.4796295886. The cubic root of 25628700 is about 294.8326159505.

The spelling of 25628700 in words is "twenty-five million, six hundred twenty-eight thousand, seven hundred".