180774726 has 36 divisors (see below), whose sum is σ = 398203596. Its totient is φ = 54670440.

The previous prime is 180774703. The next prime is 180774731. The reversal of 180774726 is 627477081.

180774726 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 362025 + ... + 362523.

It is an arithmetic number, because the mean of its divisors is an integer number (11061211).

Almost surely, 2^180774726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180774726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199101798).

180774726 is an abundant number, since it is smaller than the sum of its proper divisors (217428870).

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

180774726 is an equidigital number, since it uses as much as digits as its factorization.

180774726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 180774726 is about 13445.2491981369. The cubic root of 180774726 is about 565.4305080259.

The spelling of 180774726 in words is "one hundred eighty million, seven hundred seventy-four thousand, seven hundred twenty-six".