147728826 has 96 divisors (see below), whose sum is σ = 394421760. Its totient is φ = 40824000.

The previous prime is 147728807. The next prime is 147728851. The reversal of 147728826 is 628827741.

147728826 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 Curzon 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, 81126 + ... + 82926.

It is an arithmetic number, because the mean of its divisors is an integer number (4108560).

Almost surely, 2^147728826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147728826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197210880).

147728826 is an abundant number, since it is smaller than the sum of its proper divisors (246692934).

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

147728826 is a wasteful number, since it uses less digits than its factorization.

147728826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1844 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 147728826 is about 12154.3747679591. The cubic root of 147728826 is about 528.6339879275.

It can be divided in two parts, 1477 and 28826, that added together give a palindrome (30303).

The spelling of 147728826 in words is "one hundred forty-seven million, seven hundred twenty-eight thousand, eight hundred twenty-six".