102772660 has 12 divisors (see below), whose sum is σ = 215822628. Its totient is φ = 41109056.

The previous prime is 102772613. The next prime is 102772687. The reversal of 102772660 is 66277201.

It can be written as a sum of positive squares in 2 ways, for example, as 69155856 + 33616804 = 8316^2 + 5798^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569297 + ... + 2569336.

It is an arithmetic number, because the mean of its divisors is an integer number (17985219).

Almost surely, 2^102772660 is an apocalyptic number.

102772660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102772660 is an abundant number, since it is smaller than the sum of its proper divisors (113049968).

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

102772660 is a wasteful number, since it uses less digits than its factorization.

102772660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138642 (or 5138640 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 102772660 is about 10137.6851401096. The cubic root of 102772660 is about 468.4096846035.

The spelling of 102772660 in words is "one hundred two million, seven hundred seventy-two thousand, six hundred sixty".