674746144 has 24 divisors (see below), whose sum is σ = 1329134940. Its totient is φ = 337188096.

The previous prime is 674746141. The next prime is 674746151. The reversal of 674746144 is 441647476.

It can be written as a sum of positive squares in 2 ways, for example, as 495507600 + 179238544 = 22260^2 + 13388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 674746144.

It is not an unprimeable number, because it can be changed into a prime (674746141) 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, 67962 + ... + 77254.

Almost surely, 2^674746144 is an apocalyptic number.

It is an amenable number.

674746144 is a deficient number, since it is larger than the sum of its proper divisors (654388796).

674746144 is a wasteful number, since it uses less digits than its factorization.

674746144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11572 (or 11564 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 674746144 is about 25975.8761931143. The cubic root of 674746144 is about 877.0953403499.

The spelling of 674746144 in words is "six hundred seventy-four million, seven hundred forty-six thousand, one hundred forty-four".