674690 has 32 divisors (see below), whose sum is σ = 1321920. Its totient is φ = 247104.

The previous prime is 674683. The next prime is 674693. The reversal of 674690 is 96476.

It is a super-2 number, since 2×674690² = 910413192200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10037 + ... + 10103.

It is an arithmetic number, because the mean of its divisors is an integer number (41310).

2⁶⁷⁴⁶⁹⁰ is an apocalyptic number.

674690 is a deficient number, since it is larger than the sum of its proper divisors (647230).

674690 is a wasteful number, since it uses less digits than its factorization.

674690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 674690 is about 821.3951545998. The cubic root of 674690 is about 87.7071012679.

The spelling of 674690 in words is "six hundred seventy-four thousand, six hundred ninety".