147647420 has 24 divisors (see below), whose sum is σ = 320062848. Its totient is φ = 57153600.

The previous prime is 147647417. The next prime is 147647447. The reversal of 147647420 is 24746741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118451 + ... + 119690.

It is an arithmetic number, because the mean of its divisors is an integer number (13335952).

Almost surely, 2^147647420 is an apocalyptic number.

147647420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147647420 is an abundant number, since it is smaller than the sum of its proper divisors (172415428).

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

147647420 is a wasteful number, since it uses less digits than its factorization.

147647420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238181 (or 238179 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 147647420 is about 12151.0254711279. The cubic root of 147647420 is about 528.5368687968.

The spelling of 147647420 in words is "one hundred forty-seven million, six hundred forty-seven thousand, four hundred twenty".