97713224 has 32 divisors (see below), whose sum is σ = 210021120. Its totient is φ = 41750016.

The previous prime is 97713211. The next prime is 97713227. The reversal of 97713224 is 42231779.

It is a Cunningham number, because it is equal to 9885²-1.

It is not an unprimeable number, because it can be changed into a prime (97713227) 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, 17297 + ... + 22239.

It is an arithmetic number, because the mean of its divisors is an integer number (6563160).

Almost surely, 2^97713224 is an apocalyptic number.

It is an amenable number.

97713224 is an abundant number, since it is smaller than the sum of its proper divisors (112307896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97713224 is a wasteful number, since it uses less digits than its factorization.

97713224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309 (or 5305 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

The square root of 97713224 is about 9884.9999494183. Note that the first 4 decimals coincide. The cubic root of 97713224 is about 460.5934746977.

The spelling of 97713224 in words is "ninety-seven million, seven hundred thirteen thousand, two hundred twenty-four".