672354 has 16 divisors (see below), whose sum is σ = 1494240. Its totient is φ = 224100.

The previous prime is 672349. The next prime is 672377. The reversal of 672354 is 453276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

672354 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6172 + ... + 6279.

It is an arithmetic number, because the mean of its divisors is an integer number (93390).

2⁶⁷²³⁵⁴ is an apocalyptic number.

672354 is an abundant number, since it is smaller than the sum of its proper divisors (821886).

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

672354 is a wasteful number, since it uses less digits than its factorization.

672354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462 (or 12456 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 672354 is about 819.9719507398. The cubic root of 672354 is about 87.6057605519.

The spelling of 672354 in words is "six hundred seventy-two thousand, three hundred fifty-four".