14720545720 has 32 divisors (see below), whose sum is σ = 33294654720. Its totient is φ = 5857386880.

The previous prime is 14720545717. The next prime is 14720545727. The reversal of 14720545720 is 2754502741.

It is a super-2 number, since 2×14720545720² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14720545720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14720545727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955747 + ... + 971026.

It is an arithmetic number, because the mean of its divisors is an integer number (1040457960).

Almost surely, 2^14720545720 is an apocalyptic number.

14720545720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14720545720 is an abundant number, since it is smaller than the sum of its proper divisors (18574109000).

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

14720545720 is a wasteful number, since it uses less digits than its factorization.

14720545720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926975 (or 1926971 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 14720545720 in words is "fourteen billion, seven hundred twenty million, five hundred forty-five thousand, seven hundred twenty".