147469728 has 96 divisors (see below), whose sum is σ = 456744960. Its totient is φ = 40769280.

The previous prime is 147469703. The next prime is 147469741. The reversal of 147469728 is 827964741.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17293 + ... + 24371.

It is an arithmetic number, because the mean of its divisors is an integer number (4757760).

Almost surely, 2^147469728 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 147469728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228372480).

147469728 is an abundant number, since it is smaller than the sum of its proper divisors (309275232).

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

147469728 is a wasteful number, since it uses less digits than its factorization.

147469728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130 (or 7122 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 147469728 is about 12143.7114590227. The cubic root of 147469728 is about 528.3247543004.

The spelling of 147469728 in words is "one hundred forty-seven million, four hundred sixty-nine thousand, seven hundred twenty-eight".