273734401 has 4 divisors (see below), whose sum is σ = 274626352. Its totient is φ = 272842452.

The previous prime is 273734381. The next prime is 273734407. The reversal of 273734401 is 104437372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 273734401 - 2⁵ = 273734369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273734407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445515 + ... + 446128.

It is an arithmetic number, because the mean of its divisors is an integer number (68656588).

Almost surely, 2^273734401 is an apocalyptic number.

It is an amenable number.

273734401 is a deficient number, since it is larger than the sum of its proper divisors (891951).

273734401 is an equidigital number, since it uses as much as digits as its factorization.

273734401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891950.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 273734401 is about 16544.9207009281. The cubic root of 273734401 is about 649.2965968717.

The spelling of 273734401 in words is "two hundred seventy-three million, seven hundred thirty-four thousand, four hundred one".