102807732 has 12 divisors (see below), whose sum is σ = 239884736. Its totient is φ = 34269240.

The previous prime is 102807713. The next prime is 102807743. The reversal of 102807732 is 237708201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 102807732.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4283644 + ... + 4283667.

Almost surely, 2^102807732 is an apocalyptic number.

102807732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102807732 is an abundant number, since it is smaller than the sum of its proper divisors (137077004).

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

102807732 is a wasteful number, since it uses less digits than its factorization.

102807732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567318 (or 8567316 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 102807732 is about 10139.4147760115. The cubic root of 102807732 is about 468.4629614059.

The spelling of 102807732 in words is "one hundred two million, eight hundred seven thousand, seven hundred thirty-two".