674765 has 16 divisors (see below), whose sum is σ = 997248. Its totient is φ = 426816.

The previous prime is 674761. The next prime is 674767. The reversal of 674765 is 567476.

It is not a de Polignac number, because 674765 - 2² = 674761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 674765.

It is not an unprimeable number, because it can be changed into a prime (674761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287 + ... + 1196.

It is an arithmetic number, because the mean of its divisors is an integer number (62328).

2⁶⁷⁴⁷⁶⁵ is an apocalyptic number.

674765 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

674765 is a deficient number, since it is larger than the sum of its proper divisors (322483).

674765 is a wasteful number, since it uses less digits than its factorization.

674765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508.

The product of its digits is 35280, while the sum is 35.

The square root of 674765 is about 821.4408073623. The cubic root of 674765 is about 87.7103510512.

The spelling of 674765 in words is "six hundred seventy-four thousand, seven hundred sixty-five".