97728126 has 8 divisors (see below), whose sum is σ = 195456264. Its totient is φ = 32576040.

The previous prime is 97728119. The next prime is 97728139. The reversal of 97728126 is 62182779.

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

97728126 is an admirable number.

It is a super-2 number, since 2×97728126² = 19101573222943752, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8144005 + ... + 8144016.

It is an arithmetic number, because the mean of its divisors is an integer number (24432033).

Almost surely, 2^97728126 is an apocalyptic number.

97728126 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.

97728126 is a wasteful number, since it uses less digits than its factorization.

97728126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16288026.

The product of its digits is 84672, while the sum is 42.

The square root of 97728126 is about 9885.7536890214. The cubic root of 97728126 is about 460.6168881614.

The spelling of 97728126 in words is "ninety-seven million, seven hundred twenty-eight thousand, one hundred twenty-six".