673534 has 4 divisors (see below), whose sum is σ = 1010304. Its totient is φ = 336766.

The previous prime is 673529. The next prime is 673549. The reversal of 673534 is 435376.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168382 + ... + 168385.

It is an arithmetic number, because the mean of its divisors is an integer number (252576).

2⁶⁷³⁵³⁴ is an apocalyptic number.

673534 is a deficient number, since it is larger than the sum of its proper divisors (336770).

673534 is a wasteful number, since it uses less digits than its factorization.

673534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336769.

The product of its digits is 7560, while the sum is 28.

The square root of 673534 is about 820.6911721226. The cubic root of 673534 is about 87.6569807827.

The spelling of 673534 in words is "six hundred seventy-three thousand, five hundred thirty-four".