276470146 has 4 divisors (see below), whose sum is σ = 414705222. Its totient is φ = 138235072.

The previous prime is 276470119. The next prime is 276470147. The reversal of 276470146 is 641074672.

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., 216237025 + 60233121 = 14705^2 + 7761^2 .

It is a super-2 number, since 2×276470146² = 152871483258522632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (276470147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69117535 + ... + 69117538.

Almost surely, 2^276470146 is an apocalyptic number.

276470146 is a deficient number, since it is larger than the sum of its proper divisors (138235076).

276470146 is a wasteful number, since it uses less digits than its factorization.

276470146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138235075.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 276470146 is about 16627.3914370234. The cubic root of 276470146 is about 651.4524883448.

The spelling of 276470146 in words is "two hundred seventy-six million, four hundred seventy thousand, one hundred forty-six".