84672307 has 2 divisors, whose sum is σ = 84672308. Its totient is φ = 84672306.

The previous prime is 84672299. The next prime is 84672319. The reversal of 84672307 is 70327648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84672307 - 2³ = 84672299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84672347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42336153 + 42336154.

It is an arithmetic number, because the mean of its divisors is an integer number (42336154).

Almost surely, 2^84672307 is an apocalyptic number.

84672307 is a deficient number, since it is larger than the sum of its proper divisors (1).

84672307 is an equidigital number, since it uses as much as digits as its factorization.

84672307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 84672307 is about 9201.7556477011. The cubic root of 84672307 is about 439.1172159121.

It can be divided in two parts, 846 and 72307, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 84672307 in words is "eighty-four million, six hundred seventy-two thousand, three hundred seven".