276420002 has 4 divisors (see below), whose sum is σ = 414630006. Its totient is φ = 138210000.

The previous prime is 276419971. The next prime is 276420013. The reversal of 276420002 is 200024672.

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., 262796521 + 13623481 = 16211^2 + 3691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 276420002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69104999 + ... + 69105002.

Almost surely, 2^276420002 is an apocalyptic number.

276420002 is a deficient number, since it is larger than the sum of its proper divisors (138210004).

276420002 is a wasteful number, since it uses less digits than its factorization.

276420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138210003.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 276420002 is about 16625.8834953214. The cubic root of 276420002 is about 651.4131008386.

Adding to 276420002 its reverse (200024672), we get a palindrome (476444674).

The spelling of 276420002 in words is "two hundred seventy-six million, four hundred twenty thousand, two".