84672001 has 2 divisors, whose sum is σ = 84672002. Its totient is φ = 84672000.

The previous prime is 84671969. The next prime is 84672013. The reversal of 84672001 is 10027648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 14447601 = 8380^2 + 3801^2 .

It is a cyclic number.

It is not a de Polignac number, because 84672001 - 2⁵ = 84671969 is a prime.

It is not a weakly prime, because it can be changed into another prime (84672701) 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 as a sum of consecutive naturals, namely, 42336000 + 42336001.

It is an arithmetic number, because the mean of its divisors is an integer number (42336001).

Almost surely, 2^84672001 is an apocalyptic number.

It is an amenable number.

84672001 is a deficient number, since it is larger than the sum of its proper divisors (1).

84672001 is an equidigital number, since it uses as much as digits as its factorization.

84672001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 84672001 is about 9201.7390204243. The cubic root of 84672001 is about 439.1166869315.

Adding to 84672001 its reverse (10027648), we get a palindrome (94699649).

The spelling of 84672001 in words is "eighty-four million, six hundred seventy-two thousand, one".