182780532 has 144 divisors (see below), whose sum is σ = 562161600. Its totient is φ = 49351680.

The previous prime is 182780519. The next prime is 182780561. The reversal of 182780532 is 235087281.

182780532 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

182780532 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127194 + ... + 128622.

It is an arithmetic number, because the mean of its divisors is an integer number (3903900).

Almost surely, 2^182780532 is an apocalyptic number.

182780532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 182780532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281080800).

182780532 is an abundant number, since it is smaller than the sum of its proper divisors (379381068).

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

182780532 is a wasteful number, since it uses less digits than its factorization.

182780532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 182780532 is about 13519.6350542461. The cubic root of 182780532 is about 567.5140863459.

The spelling of 182780532 in words is "one hundred eighty-two million, seven hundred eighty thousand, five hundred thirty-two".