147720384 has 84 divisors (see below), whose sum is σ = 483914704. Its totient is φ = 42204672.

The previous prime is 147720371. The next prime is 147720401. The reversal of 147720384 is 483027741.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14287 + ... + 22350.

Almost surely, 2^147720384 is an apocalyptic number.

147720384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

147720384 is an abundant number, since it is smaller than the sum of its proper divisors (336194320).

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

147720384 is a wasteful number, since it uses less digits than its factorization.

147720384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36662 (or 36649 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 147720384 is about 12154.0274806337. The cubic root of 147720384 is about 528.6239180960.

The spelling of 147720384 in words is "one hundred forty-seven million, seven hundred twenty thousand, three hundred eighty-four".