672955 has 4 divisors (see below), whose sum is σ = 807552. Its totient is φ = 538360.

The previous prime is 672953. The next prime is 672967. The reversal of 672955 is 559276.

672955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 672955 - 2¹ = 672953 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672955.

It is not an unprimeable number, because it can be changed into a prime (672953) 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, 67291 + ... + 67300.

It is an arithmetic number, because the mean of its divisors is an integer number (201888).

2⁶⁷²⁹⁵⁵ is an apocalyptic number.

672955 is a deficient number, since it is larger than the sum of its proper divisors (134597).

672955 is a wasteful number, since it uses less digits than its factorization.

672955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134596.

The product of its digits is 18900, while the sum is 34.

The square root of 672955 is about 820.3383448310. The cubic root of 672955 is about 87.6318556259.

The spelling of 672955 in words is "six hundred seventy-two thousand, nine hundred fifty-five".