97181370 has 160 divisors (see below), whose sum is σ = 307359360. Its totient is φ = 21720960.

The previous prime is 97181363. The next prime is 97181387. The reversal of 97181370 is 7318179.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 115411 + ... + 116249.

It is an arithmetic number, because the mean of its divisors is an integer number (1920996).

Almost surely, 2^97181370 is an apocalyptic number.

97181370 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 97181370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153679680).

97181370 is an abundant number, since it is smaller than the sum of its proper divisors (210177990).

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

97181370 is a wasteful number, since it uses less digits than its factorization.

97181370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 97181370 is about 9858.0611684043. The cubic root of 97181370 is about 459.7562823643.

The spelling of 97181370 in words is "ninety-seven million, one hundred eighty-one thousand, three hundred seventy".