672238479 has 16 divisors (see below), whose sum is σ = 1000543104. Its totient is φ = 397941600.

The previous prime is 672238471. The next prime is 672238519. The reversal of 672238479 is 974832276.

It is not a de Polignac number, because 672238479 - 2³ = 672238471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672238471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235452 + ... + 238289.

It is an arithmetic number, because the mean of its divisors is an integer number (62533944).

Almost surely, 2^672238479 is an apocalyptic number.

672238479 is a deficient number, since it is larger than the sum of its proper divisors (328304625).

672238479 is a wasteful number, since it uses less digits than its factorization.

672238479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473798.

The product of its digits is 1016064, while the sum is 48.

The square root of 672238479 is about 25927.5621491879. The cubic root of 672238479 is about 876.0074291503.

The spelling of 672238479 in words is "six hundred seventy-two million, two hundred thirty-eight thousand, four hundred seventy-nine".