672528 has 20 divisors (see below), whose sum is σ = 1737488. Its totient is φ = 224160.

The previous prime is 672521. The next prime is 672557. The reversal of 672528 is 825276.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 672495 and 672504.

It is not an unprimeable number, because it can be changed into a prime (672521) by changing a digit.

672528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6958 + ... + 7053.

2⁶⁷²⁵²⁸ is an apocalyptic number.

It is an amenable number.

672528 is an abundant number, since it is smaller than the sum of its proper divisors (1064960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672528 is a wasteful number, since it uses less digits than its factorization.

672528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14022 (or 14016 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 672528 is about 820.0780450664. The cubic root of 672528 is about 87.6133171305.

The spelling of 672528 in words is "six hundred seventy-two thousand, five hundred twenty-eight".