147487720 has 32 divisors (see below), whose sum is σ = 333849600. Its totient is φ = 58639168.

The previous prime is 147487693. The next prime is 147487777. The reversal of 147487720 is 27784741.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 4360 + ... + 17719.

It is an arithmetic number, because the mean of its divisors is an integer number (10432800).

Almost surely, 2^147487720 is an apocalyptic number.

147487720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147487720 is an abundant number, since it is smaller than the sum of its proper divisors (186361880).

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

147487720 is a wasteful number, since it uses less digits than its factorization.

147487720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22257 (or 22253 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 147487720 is about 12144.4522313689. The cubic root of 147487720 is about 528.3462394611.

The spelling of 147487720 in words is "one hundred forty-seven million, four hundred eighty-seven thousand, seven hundred twenty".