147668004 has 144 divisors (see below), whose sum is σ = 439455744. Its totient is φ = 41342400.

The previous prime is 147667997. The next prime is 147668009. The reversal of 147668004 is 400866741.

147668004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 147668004.

It is not an unprimeable number, because it can be changed into a prime (147668009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282087 + ... + 282609.

It is an arithmetic number, because the mean of its divisors is an integer number (3051776).

Almost surely, 2^147668004 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 147668004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219727872).

147668004 is an abundant number, since it is smaller than the sum of its proper divisors (291787740).

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

147668004 is a wasteful number, since it uses less digits than its factorization.

147668004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 147668004 is about 12151.8724483102. The cubic root of 147668004 is about 528.5614293284.

The spelling of 147668004 in words is "one hundred forty-seven million, six hundred sixty-eight thousand, four".