276572146 has 4 divisors (see below), whose sum is σ = 414858222. Its totient is φ = 138286072.

The previous prime is 276572137. The next prime is 276572147. The reversal of 276572146 is 641275672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 239909121 + 36663025 = 15489^2 + 6055^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 276572099 and 276572108.

It is not an unprimeable number, because it can be changed into a prime (276572147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69143035 + ... + 69143038.

Almost surely, 2^276572146 is an apocalyptic number.

276572146 is a deficient number, since it is larger than the sum of its proper divisors (138286076).

276572146 is a wasteful number, since it uses less digits than its factorization.

276572146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138286075.

The product of its digits is 141120, while the sum is 40.

The square root of 276572146 is about 16630.4583821373. The cubic root of 276572146 is about 651.5325934179.

The spelling of 276572146 in words is "two hundred seventy-six million, five hundred seventy-two thousand, one hundred forty-six".