147810728 has 96 divisors (see below), whose sum is σ = 327720960. Its totient is φ = 62052480.

The previous prime is 147810727. The next prime is 147810731. The reversal of 147810728 is 827018741.

147810728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×147810728² = 43696022623779968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 147810691 and 147810700.

It is not an unprimeable number, because it can be changed into a prime (147810727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1163801 + ... + 1163927.

It is an arithmetic number, because the mean of its divisors is an integer number (3413760).

Almost surely, 2^147810728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147810728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163860480).

147810728 is an abundant number, since it is smaller than the sum of its proper divisors (179910232).

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

147810728 is a wasteful number, since it uses less digits than its factorization.

147810728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 147810728 is about 12157.7435406411. The cubic root of 147810728 is about 528.7316627985.

The spelling of 147810728 in words is "one hundred forty-seven million, eight hundred ten thousand, seven hundred twenty-eight".