674442 has 24 divisors (see below), whose sum is σ = 1481220. Its totient is φ = 221760.

The previous prime is 674431. The next prime is 674449. The reversal of 674442 is 244476.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 168921 = 711^2 + 411^2 .

It is a super-2 number, since 2×674442² = 909744022728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1392 + ... + 1812.

2⁶⁷⁴⁴⁴² is an apocalyptic number.

674442 is an abundant number, since it is smaller than the sum of its proper divisors (806778).

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

674442 is a wasteful number, since it uses less digits than its factorization.

674442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 515 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 674442 is about 821.2441780616. The cubic root of 674442 is about 87.6963536027.

It can be divided in two parts, 6744 and 42, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 674442 in words is "six hundred seventy-four thousand, four hundred forty-two".