98372721 has 8 divisors (see below), whose sum is σ = 131586624. Its totient is φ = 65370320.

The previous prime is 98372719. The next prime is 98372731. The reversal of 98372721 is 12727389.

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

It is a cyclic number.

It is not a de Polignac number, because 98372721 - 2¹ = 98372719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98372721.

It is not an unprimeable number, because it can be changed into a prime (98372711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51786 + ... + 53651.

It is an arithmetic number, because the mean of its divisors is an integer number (16448328).

Almost surely, 2^98372721 is an apocalyptic number.

It is an amenable number.

98372721 is a deficient number, since it is larger than the sum of its proper divisors (33213903).

98372721 is a wasteful number, since it uses less digits than its factorization.

98372721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105751.

The product of its digits is 42336, while the sum is 39.

The square root of 98372721 is about 9918.3023244908. The cubic root of 98372721 is about 461.6273817542.

The spelling of 98372721 in words is "ninety-eight million, three hundred seventy-two thousand, seven hundred twenty-one".