13772715572 has 144 divisors (see below), whose sum is σ = 32186621376. Its totient is φ = 5092416000.

The previous prime is 13772715553. The next prime is 13772715577. The reversal of 13772715572 is 27551727731.

It is a super-2 number, since 2×13772715572² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13772715577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3268547 + ... + 3272757.

It is an arithmetic number, because the mean of its divisors is an integer number (223518204).

Almost surely, 2^13772715572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13772715572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16093310688).

13772715572 is an abundant number, since it is smaller than the sum of its proper divisors (18413905804).

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

13772715572 is a wasteful number, since it uses less digits than its factorization.

13772715572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318 (or 4309 counting only the distinct ones).

The product of its digits is 720300, while the sum is 47.

The spelling of 13772715572 in words is "thirteen billion, seven hundred seventy-two million, seven hundred fifteen thousand, five hundred seventy-two".