147405621071720 has 192 divisors, whose sum is σ = 367059839328000. Its totient is φ = 53233833945600.

The previous prime is 147405621071693. The next prime is 147405621071729. The reversal of 147405621071720 is 27170126504741.

It is not an unprimeable number, because it can be changed into a prime (147405621071729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6149319335 + ... + 6149343305.

It is an arithmetic number, because the mean of its divisors is an integer number (1911769996500).

Almost surely, 2^{147405621071720} is an apocalyptic number.

147405621071720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147405621071720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183529919664000).

147405621071720 is an abundant number, since it is smaller than the sum of its proper divisors (219654218256280).

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

147405621071720 is a wasteful number, since it uses less digits than its factorization.

147405621071720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32680 (or 32665 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 147405621071720 in words is "one hundred forty-seven trillion, four hundred five billion, six hundred twenty-one million, seventy-one thousand, seven hundred twenty".