672488 has 8 divisors (see below), whose sum is σ = 1260930. Its totient is φ = 336240.

The previous prime is 672473. The next prime is 672493. The reversal of 672488 is 884276.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 3364 = 818^2 + 58^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×672488² = 904480220288, which contains 22 as substring.

It is an unprimeable number.

672488 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 as a sum of consecutive naturals, namely, 42023 + ... + 42038.

2⁶⁷²⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

672488 is a deficient number, since it is larger than the sum of its proper divisors (588442).

672488 is a wasteful number, since it uses less digits than its factorization.

672488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84067 (or 84063 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 672488 is about 820.0536567811. The cubic root of 672488 is about 87.6115801014.

The spelling of 672488 in words is "six hundred seventy-two thousand, four hundred eighty-eight".