276348420 has 36 divisors (see below), whose sum is σ = 838257420. Its totient is φ = 73692864.

The previous prime is 276348419. The next prime is 276348433. The reversal of 276348420 is 24843672.

276348420 is a `hidden beast` number, since 276 + 348 + 42 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 145154304 + 131194116 = 12048^2 + 11454^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 767455 + ... + 767814.

Almost surely, 2^276348420 is an apocalyptic number.

276348420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276348420 is an abundant number, since it is smaller than the sum of its proper divisors (561909000).

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

276348420 is a wasteful number, since it uses less digits than its factorization.

276348420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535284 (or 1535279 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 276348420 is about 16623.7306282314. The cubic root of 276348420 is about 651.3568657882.

The spelling of 276348420 in words is "two hundred seventy-six million, three hundred forty-eight thousand, four hundred twenty".