1749474401 has 4 divisors (see below), whose sum is σ = 1749569172. Its totient is φ = 1749379632.

The previous prime is 1749474383. The next prime is 1749474407. The reversal of 1749474401 is 1044749471.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1044749471 = 1217 ⋅858463.

It can be written as a sum of positive squares in 2 ways, for example, as 1443924001 + 305550400 = 37999^2 + 17480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1749474401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1749474407) 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, 9710 + ... + 59943.

It is an arithmetic number, because the mean of its divisors is an integer number (437392293).

Almost surely, 2^1749474401 is an apocalyptic number.

It is an amenable number.

1749474401 is a deficient number, since it is larger than the sum of its proper divisors (94771).

1749474401 is an equidigital number, since it uses as much as digits as its factorization.

1749474401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94770.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 1749474401 is about 41826.7187453188. The cubic root of 1749474401 is about 1204.9504754013.

The spelling of 1749474401 in words is "one billion, seven hundred forty-nine million, four hundred seventy-four thousand, four hundred one".