97140224 has 80 divisors (see below), whose sum is σ = 207120672. Its totient is φ = 45416448.

The previous prime is 97140223. The next prime is 97140269. The reversal of 97140224 is 42204179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97140223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859592 + ... + 859704.

Almost surely, 2^97140224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97140224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103560336).

97140224 is an abundant number, since it is smaller than the sum of its proper divisors (109980448).

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

97140224 is a wasteful number, since it uses less digits than its factorization.

97140224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 97140224 is about 9855.9740259398. The cubic root of 97140224 is about 459.6913872017.

The spelling of 97140224 in words is "ninety-seven million, one hundred forty thousand, two hundred twenty-four".