97744224 has 48 divisors (see below), whose sum is σ = 258960240. Its totient is φ = 32279040.

The previous prime is 97744201. The next prime is 97744247. The reversal of 97744224 is 42244779.

It is an interprime number because it is at equal distance from previous prime (97744201) and next prime (97744247).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5794 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (5395005).

Almost surely, 2^97744224 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 97744224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129480120).

97744224 is an abundant number, since it is smaller than the sum of its proper divisors (161216016).

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

97744224 is a wasteful number, since it uses less digits than its factorization.

97744224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463 (or 9455 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 97744224 is about 9886.5678574518. The cubic root of 97744224 is about 460.6421780613.

The spelling of 97744224 in words is "ninety-seven million, seven hundred forty-four thousand, two hundred twenty-four".