276073434 has 160 divisors (see below), whose sum is σ = 776366976. Its totient is φ = 71383680.

The previous prime is 276073423. The next prime is 276073463. The reversal of 276073434 is 434370672.

It is a happy number.

276073434 is a `hidden beast` number, since 2 + 7 + 607 + 3 + 43 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 899109 + ... + 899415.

Almost surely, 2^276073434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276073434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388183488).

276073434 is an abundant number, since it is smaller than the sum of its proper divisors (500293542).

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

276073434 is a wasteful number, since it uses less digits than its factorization.

276073434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 276073434 is about 16615.4576825316. The cubic root of 276073434 is about 651.1407455462.

The spelling of 276073434 in words is "two hundred seventy-six million, seventy-three thousand, four hundred thirty-four".