102782472 has 32 divisors (see below), whose sum is σ = 276722880. Its totient is φ = 31625280.

The previous prime is 102782443. The next prime is 102782473. The reversal of 102782472 is 274287201.

It is not an unprimeable number, because it can be changed into a prime (102782473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164404 + ... + 165027.

It is an arithmetic number, because the mean of its divisors is an integer number (8647590).

Almost surely, 2^102782472 is an apocalyptic number.

102782472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102782472 is an abundant number, since it is smaller than the sum of its proper divisors (173940408).

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

102782472 is a wasteful number, since it uses less digits than its factorization.

102782472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329453 (or 329449 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 102782472 is about 10138.1690654674. The cubic root of 102782472 is about 468.4245909336.

The spelling of 102782472 in words is "one hundred two million, seven hundred eighty-two thousand, four hundred seventy-two".