1674540297 has 30 divisors (see below), whose sum is σ = 2519268158. Its totient is φ = 1108463616.

The previous prime is 1674540269. The next prime is 1674540383. The reversal of 1674540297 is 7920454761.

1674540297 is a `hidden beast` number, since 16 + 7 + 4 + 540 + 2 + 97 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 695851641 + 978688656 = 26379^2 + 31284^2 .

It is not a de Polignac number, because 1674540297 - 2⁶ = 1674540233 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 (1674540397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5349813 + ... + 5350125.

Almost surely, 2^1674540297 is an apocalyptic number.

It is an amenable number.

1674540297 is a deficient number, since it is larger than the sum of its proper divisors (844727861).

1674540297 is an frugal number, since it uses more digits than its factorization.

1674540297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1674540297 is about 40921.1473079629. The cubic root of 1674540297 is about 1187.4952133067.

The spelling of 1674540297 in words is "one billion, six hundred seventy-four million, five hundred forty thousand, two hundred ninety-seven".