96721247 has 6 divisors (see below), whose sum is σ = 112512528. Its totient is φ = 82903884.

The previous prime is 96721231. The next prime is 96721249. The reversal of 96721247 is 74212769.

It is not a de Polignac number, because 96721247 - 2⁴ = 96721231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 96721247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96721249) 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 in 5 ways as a sum of consecutive naturals, for example, 986903 + ... + 987000.

It is an arithmetic number, because the mean of its divisors is an integer number (18752088).

Almost surely, 2^96721247 is an apocalyptic number.

96721247 is a deficient number, since it is larger than the sum of its proper divisors (15791281).

96721247 is a wasteful number, since it uses less digits than its factorization.

96721247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973917 (or 1973910 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 96721247 is about 9834.6960807134. The cubic root of 96721247 is about 459.0295340647.

The spelling of 96721247 in words is "ninety-six million, seven hundred twenty-one thousand, two hundred forty-seven".