674001040 has 40 divisors (see below), whose sum is σ = 1659235320. Its totient is φ = 253741056.

The previous prime is 674001037. The next prime is 674001047. The reversal of 674001040 is 40100476.

It can be written as a sum of positive squares in 4 ways, for example, as 147573904 + 526427136 = 12148^2 + 22944^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (674001047) 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, 246435 + ... + 249154.

It is an arithmetic number, because the mean of its divisors is an integer number (41480883).

Almost surely, 2^674001040 is an apocalyptic number.

It is an amenable number.

674001040 is an abundant number, since it is smaller than the sum of its proper divisors (985234280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674001040 is a wasteful number, since it uses less digits than its factorization.

674001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495619 (or 495613 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 674001040 is about 25961.5300011382. The cubic root of 674001040 is about 876.7723705152.

The spelling of 674001040 in words is "six hundred seventy-four million, one thousand, forty".