18760725 has 36 divisors (see below), whose sum is σ = 33852000. Its totient is φ = 9931680.

The previous prime is 18760711. The next prime is 18760727. The reversal of 18760725 is 52706781.

It is not a de Polignac number, because 18760725 - 2⁷ = 18760597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18760725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18760727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44566 + ... + 44984.

Almost surely, 2^18760725 is an apocalyptic number.

18760725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18760725 is a deficient number, since it is larger than the sum of its proper divisors (15091275).

18760725 is a wasteful number, since it uses less digits than its factorization.

18760725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 18760725 is about 4331.3652582067. The cubic root of 18760725 is about 265.7152860326.

The spelling of 18760725 in words is "eighteen million, seven hundred sixty thousand, seven hundred twenty-five".