273809997 has 8 divisors (see below), whose sum is σ = 405644480. Its totient is φ = 182539980.

The previous prime is 273809993. The next prime is 273810001. The reversal of 273809997 is 799908372.

It is an interprime number because it is at equal distance from previous prime (273809993) and next prime (273810001).

It is not a de Polignac number, because 273809997 - 2² = 273809993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273809993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5070529 + ... + 5070582.

It is an arithmetic number, because the mean of its divisors is an integer number (50705560).

Almost surely, 2^273809997 is an apocalyptic number.

273809997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

273809997 is a deficient number, since it is larger than the sum of its proper divisors (131834483).

273809997 is a wasteful number, since it uses less digits than its factorization.

273809997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141120 (or 10141114 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The square root of 273809997 is about 16547.2051114380. The cubic root of 273809997 is about 649.3563624786.

The spelling of 273809997 in words is "two hundred seventy-three million, eight hundred nine thousand, nine hundred ninety-seven".