672870 has 32 divisors (see below), whose sum is σ = 1762560. Its totient is φ = 163040.

The previous prime is 672869. The next prime is 672871. The reversal of 672870 is 78276.

It is an interprime number because it is at equal distance from previous prime (672869) and next prime (672871).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (55080).

2⁶⁷²⁸⁷⁰ is an apocalyptic number.

672870 is an abundant number, since it is smaller than the sum of its proper divisors (1089690).

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

672870 is a wasteful number, since it uses less digits than its factorization.

672870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 672870 is about 820.2865353034. The cubic root of 672870 is about 87.6281659184.

The spelling of 672870 in words is "six hundred seventy-two thousand, eight hundred seventy".