276457132 has 48 divisors (see below), whose sum is σ = 578701312. Its totient is φ = 113063040.

The previous prime is 276457121. The next prime is 276457141. The reversal of 276457132 is 231754672.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 276457091 and 276457100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61183 + ... + 65545.

Almost surely, 2^276457132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276457132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289350656).

276457132 is an abundant number, since it is smaller than the sum of its proper divisors (302244180).

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

276457132 is a wasteful number, since it uses less digits than its factorization.

276457132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478 (or 4476 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 276457132 is about 16627.0000902147. Note that the first 4 decimals coincide. The cubic root of 276457132 is about 651.4422664627.

The spelling of 276457132 in words is "two hundred seventy-six million, four hundred fifty-seven thousand, one hundred thirty-two".