674415 has 24 divisors (see below), whose sum is σ = 1336608. Its totient is φ = 308160.

The previous prime is 674393. The next prime is 674419. The reversal of 674415 is 514476.

It is not a de Polignac number, because 674415 - 2⁸ = 674159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674419) 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 23 ways as a sum of consecutive naturals, for example, 756 + ... + 1385.

It is an arithmetic number, because the mean of its divisors is an integer number (55692).

2⁶⁷⁴⁴¹⁵ is an apocalyptic number.

674415 is a deficient number, since it is larger than the sum of its proper divisors (662193).

674415 is a wasteful number, since it uses less digits than its factorization.

674415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2156 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 674415 is about 821.2277394243. The cubic root of 674415 is about 87.6951833349.

It can be divided in two parts, 674 and 415, that added together give a square (1089 = 33²).

The spelling of 674415 in words is "six hundred seventy-four thousand, four hundred fifteen".