18676425 has 24 divisors (see below), whose sum is σ = 31042656. Its totient is φ = 9907840.

The previous prime is 18676409. The next prime is 18676439. The reversal of 18676425 is 52467681.

It is not a de Polignac number, because 18676425 - 2⁴ = 18676409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16477 + ... + 17573.

It is an arithmetic number, because the mean of its divisors is an integer number (1293444).

Almost surely, 2^18676425 is an apocalyptic number.

18676425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18676425 is a deficient number, since it is larger than the sum of its proper divisors (12366231).

18676425 is a wasteful number, since it uses less digits than its factorization.

18676425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1332 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 18676425 is about 4321.6229590282. The cubic root of 18676425 is about 265.3166974340.

The spelling of 18676425 in words is "eighteen million, six hundred seventy-six thousand, four hundred twenty-five".