307673 has 4 divisors (see below), whose sum is σ = 311220. Its totient is φ = 304128.

The previous prime is 307669. The next prime is 307687. The reversal of 307673 is 376703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376703 = 17 ⋅22159.

It can be written as a sum of positive squares in 2 ways, for example, as 24649 + 283024 = 157^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 307673 - 2² = 307669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2³⁰⁷⁶⁷³ is an apocalyptic number.

It is an amenable number.

307673 is a deficient number, since it is larger than the sum of its proper divisors (3547).

307673 is an equidigital number, since it uses as much as digits as its factorization.

307673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 307673 is about 554.6827922335. The cubic root of 307673 is about 67.5092259909.

The spelling of 307673 in words is "three hundred seven thousand, six hundred seventy-three".