672041479 has 2 divisors, whose sum is σ = 672041480. Its totient is φ = 672041478.

The previous prime is 672041477. The next prime is 672041527. The reversal of 672041479 is 974140276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672041479 - 2¹ = 672041477 is a prime.

Together with 672041477, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672041473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336020739 + 336020740.

It is an arithmetic number, because the mean of its divisors is an integer number (336020740).

Almost surely, 2^672041479 is an apocalyptic number.

672041479 is a deficient number, since it is larger than the sum of its proper divisors (1).

672041479 is an equidigital number, since it uses as much as digits as its factorization.

672041479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 672041479 is about 25923.7628248678. The cubic root of 672041479 is about 875.9218492412.

The spelling of 672041479 in words is "six hundred seventy-two million, forty-one thousand, four hundred seventy-nine".