617828273 has 12 divisors (see below), whose sum is σ = 630724608. Its totient is φ = 605175840.

The previous prime is 617828251. The next prime is 617828293. The reversal of 617828273 is 372828716.

It is a happy number.

It is not a de Polignac number, because 617828273 - 2¹² = 617824177 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617828243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017536 + ... + 1018142.

It is an arithmetic number, because the mean of its divisors is an integer number (52560384).

Almost surely, 2^617828273 is an apocalyptic number.

It is an amenable number.

617828273 is a deficient number, since it is larger than the sum of its proper divisors (12896335).

617828273 is an equidigital number, since it uses as much as digits as its factorization.

617828273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 871 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 617828273 is about 24856.1516128302. The cubic root of 617828273 is about 851.7051229801.

The spelling of 617828273 in words is "six hundred seventeen million, eight hundred twenty-eight thousand, two hundred seventy-three".