1674572245 has 4 divisors (see below), whose sum is σ = 2009486700. Its totient is φ = 1339657792.

The previous prime is 1674572219. The next prime is 1674572261. The reversal of 1674572245 is 5422754761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5422754761 = 4463 ⋅1215047.

It can be written as a sum of positive squares in 2 ways, for example, as 446350129 + 1228222116 = 21127^2 + 35046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1674572245 - 2¹¹ = 1674570197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167457220 + ... + 167457229.

It is an arithmetic number, because the mean of its divisors is an integer number (502371675).

Almost surely, 2^1674572245 is an apocalyptic number.

It is an amenable number.

1674572245 is a deficient number, since it is larger than the sum of its proper divisors (334914455).

1674572245 is an equidigital number, since it uses as much as digits as its factorization.

1674572245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334914454.

The product of its digits is 470400, while the sum is 43.

The square root of 1674572245 is about 40921.5376666127. The cubic root of 1674572245 is about 1187.5027652013.

The spelling of 1674572245 in words is "one billion, six hundred seventy-four million, five hundred seventy-two thousand, two hundred forty-five".