147720930 has 64 divisors (see below), whose sum is σ = 411264000. Its totient is φ = 33257664.

The previous prime is 147720913. The next prime is 147720943. The reversal of 147720930 is 39027741.

It is a junction number, because it is equal to n+sod(n) for n = 147720891 and 147720900.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8821 + ... + 19319.

It is an arithmetic number, because the mean of its divisors is an integer number (6426000).

Almost surely, 2^147720930 is an apocalyptic number.

147720930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147720930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205632000).

147720930 is an abundant number, since it is smaller than the sum of its proper divisors (263543070).

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

147720930 is a wasteful number, since it uses less digits than its factorization.

147720930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10583.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 147720930 is about 12154.0499423032. The cubic root of 147720930 is about 528.6245693903.

The spelling of 147720930 in words is "one hundred forty-seven million, seven hundred twenty thousand, nine hundred thirty".