276432493 has 4 divisors (see below), whose sum is σ = 276476320. Its totient is φ = 276388668.

The previous prime is 276432491. The next prime is 276432503. The reversal of 276432493 is 394234672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 276432493 - 2¹ = 276432491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276432491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10455 + ... + 25732.

It is an arithmetic number, because the mean of its divisors is an integer number (69119080).

Almost surely, 2^276432493 is an apocalyptic number.

It is an amenable number.

276432493 is a deficient number, since it is larger than the sum of its proper divisors (43827).

276432493 is an equidigital number, since it uses as much as digits as its factorization.

276432493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43826.

The product of its digits is 217728, while the sum is 40.

The square root of 276432493 is about 16626.2591402877. The cubic root of 276432493 is about 651.4229128137.

The spelling of 276432493 in words is "two hundred seventy-six million, four hundred thirty-two thousand, four hundred ninety-three".