672141479 has 2 divisors, whose sum is σ = 672141480. Its totient is φ = 672141478.

The previous prime is 672141367. The next prime is 672141499. The reversal of 672141479 is 974141276.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672141479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672141499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336070739 + 336070740.

It is an arithmetic number, because the mean of its divisors is an integer number (336070740).

Almost surely, 2^672141479 is an apocalyptic number.

672141479 is a deficient number, since it is larger than the sum of its proper divisors (1).

672141479 is an equidigital number, since it uses as much as digits as its factorization.

672141479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 672141479 is about 25925.6914854744. The cubic root of 672141479 is about 875.9652929092.

The spelling of 672141479 in words is "six hundred seventy-two million, one hundred forty-one thousand, four hundred seventy-nine".