276980172 has 24 divisors (see below), whose sum is σ = 738614016. Its totient is φ = 79137168.

The previous prime is 276980149. The next prime is 276980183. The reversal of 276980172 is 271089672.

It is a super-2 number, since 2×276980172² = 153436031362299168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1648608 + ... + 1648775.

It is an arithmetic number, because the mean of its divisors is an integer number (30775584).

Almost surely, 2^276980172 is an apocalyptic number.

It is an amenable number.

276980172 is an abundant number, since it is smaller than the sum of its proper divisors (461633844).

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

276980172 is a wasteful number, since it uses less digits than its factorization.

276980172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297397 (or 3297395 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 276980172 is about 16642.7212919042. The cubic root of 276980172 is about 651.8528372997.

The spelling of 276980172 in words is "two hundred seventy-six million, nine hundred eighty thousand, one hundred seventy-two".