98724071 has 4 divisors (see below), whose sum is σ = 98743944. Its totient is φ = 98704200.

The previous prime is 98724013. The next prime is 98724077. The reversal of 98724071 is 17042789.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17042789 = 17 ⋅1002517.

It is a cyclic number.

It is not a de Polignac number, because 98724071 - 2²² = 94529767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98724077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4961 + ... + 14901.

It is an arithmetic number, because the mean of its divisors is an integer number (24685986).

Almost surely, 2^98724071 is an apocalyptic number.

98724071 is a deficient number, since it is larger than the sum of its proper divisors (19873).

98724071 is an equidigital number, since it uses as much as digits as its factorization.

98724071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19872.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 98724071 is about 9935.9987419484. The cubic root of 98724071 is about 462.1763146432.

The spelling of 98724071 in words is "ninety-eight million, seven hundred twenty-four thousand, seventy-one".