84731001 has 8 divisors (see below), whose sum is σ = 113023680. Its totient is φ = 56462832.

The previous prime is 84730991. The next prime is 84731039. The reversal of 84731001 is 10013748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84731001 - 2¹⁹ = 84206713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84739001) 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 in 7 ways as a sum of consecutive naturals, for example, 4651 + ... + 13823.

It is an arithmetic number, because the mean of its divisors is an integer number (14127960).

Almost surely, 2^84731001 is an apocalyptic number.

It is an amenable number.

84731001 is a deficient number, since it is larger than the sum of its proper divisors (28292679).

84731001 is a wasteful number, since it uses less digits than its factorization.

84731001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12255.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 84731001 is about 9204.9443778874. The cubic root of 84731001 is about 439.2186563702.

Adding to 84731001 its reverse (10013748), we get a palindrome (94744749).

The spelling of 84731001 in words is "eighty-four million, seven hundred thirty-one thousand, one".