276420573 has 32 divisors (see below), whose sum is σ = 481111680. Its totient is φ = 154638720.

The previous prime is 276420553. The next prime is 276420581. The reversal of 276420573 is 375024672.

It is a happy number.

276420573 is a `hidden beast` number, since 2 + 7 + 64 + 20 + 573 = 666.

It is not a de Polignac number, because 276420573 - 2⁵ = 276420541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276420503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31936 + ... + 39657.

It is an arithmetic number, because the mean of its divisors is an integer number (15034740).

Almost surely, 2^276420573 is an apocalyptic number.

It is an amenable number.

276420573 is a deficient number, since it is larger than the sum of its proper divisors (204691107).

276420573 is a wasteful number, since it uses less digits than its factorization.

276420573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71626 (or 71620 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 276420573 is about 16625.9006673323. The cubic root of 276420573 is about 651.4135493791.

The spelling of 276420573 in words is "two hundred seventy-six million, four hundred twenty thousand, five hundred seventy-three".