672701819 has 2 divisors, whose sum is σ = 672701820. Its totient is φ = 672701818.

The previous prime is 672701807. The next prime is 672701851. The reversal of 672701819 is 918107276.

672701819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672701819 - 2⁸ = 672701563 is a prime.

It is a super-2 number, since 2×672701819² = 905055474571817522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (672701879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336350909 + 336350910.

It is an arithmetic number, because the mean of its divisors is an integer number (336350910).

Almost surely, 2^672701819 is an apocalyptic number.

672701819 is a deficient number, since it is larger than the sum of its proper divisors (1).

672701819 is an equidigital number, since it uses as much as digits as its factorization.

672701819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 672701819 is about 25936.4958889978. The cubic root of 672701819 is about 876.2086454734.

The spelling of 672701819 in words is "six hundred seventy-two million, seven hundred one thousand, eight hundred nineteen".