102730628 has 48 divisors (see below), whose sum is σ = 241390464. Its totient is φ = 36944640.

The previous prime is 102730601. The next prime is 102730633. The reversal of 102730628 is 826037201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102730628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8825 + ... + 16832.

It is an arithmetic number, because the mean of its divisors is an integer number (5028968).

Almost surely, 2^102730628 is an apocalyptic number.

It is an amenable number.

102730628 is an abundant number, since it is smaller than the sum of its proper divisors (138659836).

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

102730628 is a wasteful number, since it uses less digits than its factorization.

102730628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25692 (or 25690 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 102730628 is about 10135.6118710219. The cubic root of 102730628 is about 468.3458191082.

Adding to 102730628 its reverse (826037201), we get a palindrome (928767829).

The spelling of 102730628 in words is "one hundred two million, seven hundred thirty thousand, six hundred twenty-eight".