102688704 has 84 divisors (see below), whose sum is σ = 311682384. Its totient is φ = 32212992.

The previous prime is 102688643. The next prime is 102688717. The reversal of 102688704 is 407886201.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4549 + ... + 15035.

Almost surely, 2^102688704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102688704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155841192).

102688704 is an abundant number, since it is smaller than the sum of its proper divisors (208993680).

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

102688704 is a wasteful number, since it uses less digits than its factorization.

102688704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522 (or 10509 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 102688704 is about 10133.5435065924. The cubic root of 102688704 is about 468.2821003579.

The spelling of 102688704 in words is "one hundred two million, six hundred eighty-eight thousand, seven hundred four".