18725696 has 56 divisors (see below), whose sum is σ = 41245536. Its totient is φ = 8363520.

The previous prime is 18725671. The next prime is 18725711. The reversal of 18725696 is 69652781.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46970 + ... + 47366.

Almost surely, 2^18725696 is an apocalyptic number.

18725696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18725696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20622768).

18725696 is an abundant number, since it is smaller than the sum of its proper divisors (22519840).

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

18725696 is a wasteful number, since it uses less digits than its factorization.

18725696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 477 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 18725696 is about 4327.3197247257. The cubic root of 18725696 is about 265.5498066470.

The spelling of 18725696 in words is "eighteen million, seven hundred twenty-five thousand, six hundred ninety-six".