672751 has 4 divisors (see below), whose sum is σ = 680400. Its totient is φ = 665104.

The previous prime is 672743. The next prime is 672757. The reversal of 672751 is 157276.

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

It is a cyclic number.

It is not a de Polignac number, because 672751 - 2³ = 672743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672757) 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, 3691 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2⁶⁷²⁷⁵¹ is an apocalyptic number.

672751 is a deficient number, since it is larger than the sum of its proper divisors (7649).

672751 is an equidigital number, since it uses as much as digits as its factorization.

672751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7648.

The product of its digits is 2940, while the sum is 28.

The square root of 672751 is about 820.2139964668. The cubic root of 672751 is about 87.6229998058.

It can be divided in two parts, 67275 and 1, that added together give a palindrome (67276).

The spelling of 672751 in words is "six hundred seventy-two thousand, seven hundred fifty-one".