1674738 has 48 divisors (see below), whose sum is σ = 4147416. Its totient is φ = 483840.

The previous prime is 1674737. The next prime is 1674763. The reversal of 1674738 is 8374761.

It can be written as a sum of positive squares in 4 ways, for example, as 815409 + 859329 = 903^2 + 927^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3768 + ... + 4188.

2^1674738 is an apocalyptic number.

1674738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1674738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073708).

1674738 is an abundant number, since it is smaller than the sum of its proper divisors (2472678).

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

1674738 is a wasteful number, since it uses less digits than its factorization.

1674738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 456 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1674738 is about 1294.1166871654. The cubic root of 1674738 is about 118.7541944963.

The spelling of 1674738 in words is "one million, six hundred seventy-four thousand, seven hundred thirty-eight".