672331 has 4 divisors (see below), whose sum is σ = 733464. Its totient is φ = 611200.

The previous prime is 672323. The next prime is 672341. The reversal of 672331 is 133276.

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 672331 - 2³ = 672323 is a prime.

It is a super-4 number, since 4×672331⁴ (a number of 24 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (672311) 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, 30550 + ... + 30571.

It is an arithmetic number, because the mean of its divisors is an integer number (183366).

2⁶⁷²³³¹ is an apocalyptic number.

672331 is a deficient number, since it is larger than the sum of its proper divisors (61133).

672331 is a wasteful number, since it uses less digits than its factorization.

672331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61132.

The product of its digits is 756, while the sum is 22.

The square root of 672331 is about 819.9579257499. The cubic root of 672331 is about 87.6047615963.

The spelling of 672331 in words is "six hundred seventy-two thousand, three hundred thirty-one".