674464 has 24 divisors (see below), whose sum is σ = 1518048. Its totient is φ = 288960.

The previous prime is 674461. The next prime is 674483. The reversal of 674464 is 464476.

674464 = T₁₁₂ + T₁₁₃ + ... + T₁₇₅.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (63252).

2⁶⁷⁴⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

674464 is an abundant number, since it is smaller than the sum of its proper divisors (843584).

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

674464 is a wasteful number, since it uses less digits than its factorization.

674464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028 (or 3020 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 674464 is about 821.2575722634. The cubic root of 674464 is about 87.6973071311.

The spelling of 674464 in words is "six hundred seventy-four thousand, four hundred sixty-four".