276479052 has 12 divisors (see below), whose sum is σ = 645117816. Its totient is φ = 92159680.

The previous prime is 276479033. The next prime is 276479057. The reversal of 276479052 is 250974672.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 276478995 and 276479013.

It is not an unprimeable number, because it can be changed into a prime (276479057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11519949 + ... + 11519972.

It is an arithmetic number, because the mean of its divisors is an integer number (53759818).

Almost surely, 2^276479052 is an apocalyptic number.

It is an amenable number.

276479052 is an abundant number, since it is smaller than the sum of its proper divisors (368638764).

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

276479052 is a wasteful number, since it uses less digits than its factorization.

276479052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23039928 (or 23039926 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 276479052 is about 16627.6592459672. The cubic root of 276479052 is about 651.4594834021.

The spelling of 276479052 in words is "two hundred seventy-six million, four hundred seventy-nine thousand, fifty-two".