97730826 has 8 divisors (see below), whose sum is σ = 195461664. Its totient is φ = 32576940.

The previous prime is 97730797. The next prime is 97730827. The reversal of 97730826 is 62803779.

It is a sphenic number, since it is the product of 3 distinct primes.

97730826 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (97730827) 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 3 ways as a sum of consecutive naturals, for example, 8144230 + ... + 8144241.

It is an arithmetic number, because the mean of its divisors is an integer number (24432708).

Almost surely, 2^97730826 is an apocalyptic number.

97730826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97730826 is a wasteful number, since it uses less digits than its factorization.

97730826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16288476.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 97730826 is about 9885.8902482275. The cubic root of 97730826 is about 460.6211300455.

The spelling of 97730826 in words is "ninety-seven million, seven hundred thirty thousand, eight hundred twenty-six".