147726840 has 64 divisors (see below), whose sum is σ = 448819200. Its totient is φ = 38892672.

The previous prime is 147726827. The next prime is 147726851. The reversal of 147726840 is 48627741.

147726840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689 + ... + 17271.

It is an arithmetic number, because the mean of its divisors is an integer number (7012800).

Almost surely, 2^147726840 is an apocalyptic number.

147726840 is a gapful number since it is divisible by the number (10) 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 147726840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224409600).

147726840 is an abundant number, since it is smaller than the sum of its proper divisors (301092360).

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

147726840 is a wasteful number, since it uses less digits than its factorization.

147726840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15676 (or 15672 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 147726840 is about 12154.2930687062. The cubic root of 147726840 is about 528.6316190109.

Subtracting from 147726840 its reverse (48627741), we obtain a palindrome (99099099).

It can be divided in two parts, 14772 and 6840, that added together give a palindrome (21612).

The spelling of 147726840 in words is "one hundred forty-seven million, seven hundred twenty-six thousand, eight hundred forty".