147321428730 has 192 divisors, whose sum is σ = 431044892928. Its totient is φ = 32069452800.

The previous prime is 147321428719. The next prime is 147321428731. The reversal of 147321428730 is 37824123741.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (147321428731) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7868380 + ... + 7887080.

It is an arithmetic number, because the mean of its divisors is an integer number (2245025484).

Almost surely, 2^147321428730 is an apocalyptic number.

147321428730 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 147321428730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215522446464).

147321428730 is an abundant number, since it is smaller than the sum of its proper divisors (283723464198).

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

147321428730 is a wasteful number, since it uses less digits than its factorization.

147321428730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18981 (or 18974 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 147321428730 in words is "one hundred forty-seven billion, three hundred twenty-one million, four hundred twenty-eight thousand, seven hundred thirty".