672553 has 4 divisors (see below), whose sum is σ = 768640. Its totient is φ = 576468.

The previous prime is 672521. The next prime is 672557. The reversal of 672553 is 355276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 672553 - 2⁵ = 672521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672557) 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, 48033 + ... + 48046.

It is an arithmetic number, because the mean of its divisors is an integer number (192160).

2⁶⁷²⁵⁵³ is an apocalyptic number.

It is an amenable number.

672553 is a deficient number, since it is larger than the sum of its proper divisors (96087).

672553 is an equidigital number, since it uses as much as digits as its factorization.

672553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96086.

The product of its digits is 6300, while the sum is 28.

The square root of 672553 is about 820.0932873765. The cubic root of 672553 is about 87.6144027388.

It can be divided in two parts, 672 and 553, that added together give a triangular number (1225 = T₄₉).

The spelling of 672553 in words is "six hundred seventy-two thousand, five hundred fifty-three".