102734406 has 40 divisors (see below), whose sum is σ = 242324280. Its totient is φ = 32441472.

The previous prime is 102734371. The next prime is 102734407. The reversal of 102734406 is 604437201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 102734406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102734407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13611 + ... + 19766.

It is an arithmetic number, because the mean of its divisors is an integer number (6058107).

Almost surely, 2^102734406 is an apocalyptic number.

102734406 is an abundant number, since it is smaller than the sum of its proper divisors (139589874).

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

102734406 is a wasteful number, since it uses less digits than its factorization.

102734406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33410 (or 33401 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 102734406 is about 10135.7982418752. The cubic root of 102734406 is about 468.3515603003.

The spelling of 102734406 in words is "one hundred two million, seven hundred thirty-four thousand, four hundred six".