2772521532 has 36 divisors (see below), whose sum is σ = 7645439256. Its totient is φ = 840157920.

The previous prime is 2772521527. The next prime is 2772521533. The reversal of 2772521532 is 2351252772.

2772521532 is a `hidden beast` number, since 2 + 7 + 72 + 52 + 1 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772521533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3500263 + ... + 3501054.

Almost surely, 2^2772521532 is an apocalyptic number.

2772521532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2772521532 is an abundant number, since it is smaller than the sum of its proper divisors (4872917724).

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

2772521532 is a wasteful number, since it uses less digits than its factorization.

2772521532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001338 (or 7001333 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 2772521532 is about 52654.7389320278. The cubic root of 2772521532 is about 1404.8338911114.

It can be divided in two parts, 277252 and 1532, that added together give a square (278784 = 528²).

The spelling of 2772521532 in words is "two billion, seven hundred seventy-two million, five hundred twenty-one thousand, five hundred thirty-two".