97818272 has 24 divisors (see below), whose sum is σ = 203909076. Its totient is φ = 46031872.

The previous prime is 97818257. The next prime is 97818277. The reversal of 97818272 is 27281879.

It can be written as a sum of positive squares in 2 ways, for example, as 96904336 + 913936 = 9844^2 + 956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97818277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89363 + ... + 90450.

Almost surely, 2^97818272 is an apocalyptic number.

It is an amenable number.

97818272 is an abundant number, since it is smaller than the sum of its proper divisors (106090804).

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

97818272 is a wasteful number, since it uses less digits than its factorization.

97818272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179840 (or 179832 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 97818272 is about 9890.3120274337. The cubic root of 97818272 is about 460.7584714536.

The spelling of 97818272 in words is "ninety-seven million, eight hundred eighteen thousand, two hundred seventy-two".