276260072 has 32 divisors (see below), whose sum is σ = 567125280. Its totient is φ = 125117760.

The previous prime is 276260069. The next prime is 276260113. The reversal of 276260072 is 270062672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19358 + ... + 30450.

It is an arithmetic number, because the mean of its divisors is an integer number (17722665).

Almost surely, 2^276260072 is an apocalyptic number.

276260072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

276260072 is an abundant number, since it is smaller than the sum of its proper divisors (290865208).

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

276260072 is a wasteful number, since it uses less digits than its factorization.

276260072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393 (or 11389 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 276260072 is about 16621.0731302164. The cubic root of 276260072 is about 651.2874459234.

It can be divided in two parts, 2762600 and 72, that added together give a palindrome (2762672).

The spelling of 276260072 in words is "two hundred seventy-six million, two hundred sixty thousand, seventy-two".