147730737780 has 72 divisors (see below), whose sum is σ = 448156800000. Its totient is φ = 39391326912.

The previous prime is 147730737773. The next prime is 147730737821. The reversal of 147730737780 is 87737037741.

147730737780 is a `hidden beast` number, since 1 + 477 + 30 + 73 + 7 + 78 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2432221 + ... + 2492219.

It is an arithmetic number, because the mean of its divisors is an integer number (6224400000).

Almost surely, 2^147730737780 is an apocalyptic number.

147730737780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147730737780 is an abundant number, since it is smaller than the sum of its proper divisors (300426062220).

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

147730737780 is a wasteful number, since it uses less digits than its factorization.

147730737780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73693 (or 73688 counting only the distinct ones).

The product of its (nonzero) digits is 4840416, while the sum is 54.

The spelling of 147730737780 in words is "one hundred forty-seven billion, seven hundred thirty million, seven hundred thirty-seven thousand, seven hundred eighty".