274788401 has 4 divisors (see below), whose sum is σ = 274950900. Its totient is φ = 274625904.

The previous prime is 274788299. The next prime is 274788403. The reversal of 274788401 is 104887472.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100020001 + 174768400 = 10001^2 + 13220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274788401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (274788403) 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, 78686 + ... + 82103.

It is an arithmetic number, because the mean of its divisors is an integer number (68737725).

Almost surely, 2^274788401 is an apocalyptic number.

It is an amenable number.

274788401 is a deficient number, since it is larger than the sum of its proper divisors (162499).

274788401 is a wasteful number, since it uses less digits than its factorization.

274788401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162498.

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 274788401 is about 16576.7427741399. The cubic root of 274788401 is about 650.1288904166.

The spelling of 274788401 in words is "two hundred seventy-four million, seven hundred eighty-eight thousand, four hundred one".