97727670 has 24 divisors (see below), whose sum is σ = 254092176. Its totient is φ = 26060688.

The previous prime is 97727647. The next prime is 97727671. The reversal of 97727670 is 7672779.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97727671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542842 + ... + 543021.

It is an arithmetic number, because the mean of its divisors is an integer number (10587174).

Almost surely, 2^97727670 is an apocalyptic number.

97727670 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97727670 is an abundant number, since it is smaller than the sum of its proper divisors (156364506).

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

97727670 is a wasteful number, since it uses less digits than its factorization.

97727670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085876 (or 1085873 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The square root of 97727670 is about 9885.7306255026. The cubic root of 97727670 is about 460.6161717466.

The spelling of 97727670 in words is "ninety-seven million, seven hundred twenty-seven thousand, six hundred seventy".