2775421672 has 8 divisors (see below), whose sum is σ = 5203915650. Its totient is φ = 1387710832.

The previous prime is 2775421669. The next prime is 2775421699. The reversal of 2775421672 is 2761245772.

2775421672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2756880036 + 18541636 = 52506^2 + 4306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173463847 + ... + 173463862.

Almost surely, 2^2775421672 is an apocalyptic number.

It is an amenable number.

2775421672 is a deficient number, since it is larger than the sum of its proper divisors (2428493978).

2775421672 is a wasteful number, since it uses less digits than its factorization.

2775421672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346927715 (or 346927711 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 2775421672 is about 52682.2709457366. The cubic root of 2775421672 is about 1405.3235530979.

The spelling of 2775421672 in words is "two billion, seven hundred seventy-five million, four hundred twenty-one thousand, six hundred seventy-two".