674810149 has 8 divisors (see below), whose sum is σ = 728403032. Its totient is φ = 621457920.

The previous prime is 674810117. The next prime is 674810153. The reversal of 674810149 is 941018476.

It can be written as a sum of positive squares in 4 ways, for example, as 25070049 + 649740100 = 5007^2 + 25490^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674810149 - 2⁵ = 674810117 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 (674810249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54312 + ... + 65569.

It is an arithmetic number, because the mean of its divisors is an integer number (91050379).

Almost surely, 2^674810149 is an apocalyptic number.

It is an amenable number.

674810149 is a deficient number, since it is larger than the sum of its proper divisors (53592883).

674810149 is a wasteful number, since it uses less digits than its factorization.

674810149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120327.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 674810149 is about 25977.1081723890. The cubic root of 674810149 is about 877.1230726128.

The spelling of 674810149 in words is "six hundred seventy-four million, eight hundred ten thousand, one hundred forty-nine".