97447212 has 60 divisors (see below), whose sum is σ = 258606040. Its totient is φ = 31997592.

The previous prime is 97447183. The next prime is 97447243. The reversal of 97447212 is 21274479.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (28224) is a multiple of the sum of its prime divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1454403 + ... + 1454469.

Almost surely, 2^97447212 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 97447212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129303020).

97447212 is an abundant number, since it is smaller than the sum of its proper divisors (161158828).

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

97447212 is an frugal number, since it uses more digits than its factorization.

97447212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 72 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 97447212 is about 9871.5354428782. The cubic root of 97447212 is about 460.1751255064.

The spelling of 97447212 in words is "ninety-seven million, four hundred forty-seven thousand, two hundred twelve".