672147 has 24 divisors (see below), whose sum is σ = 1138176. Its totient is φ = 374256.

The previous prime is 672143. The next prime is 672151. The reversal of 672147 is 741276.

It is an interprime number because it is at equal distance from previous prime (672143) and next prime (672151).

It is not a de Polignac number, because 672147 - 2² = 672143 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 672147.

It is not an unprimeable number, because it can be changed into a prime (672143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2848 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (47424).

2⁶⁷²¹⁴⁷ is an apocalyptic number.

672147 is a deficient number, since it is larger than the sum of its proper divisors (466029).

672147 is a wasteful number, since it uses less digits than its factorization.

672147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 284 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 672147 is about 819.8457171932. The cubic root of 672147 is about 87.5967691309.

The spelling of 672147 in words is "six hundred seventy-two thousand, one hundred forty-seven".