97729125 has 32 divisors (see below), whose sum is σ = 175139328. Its totient is φ = 48110400.

The previous prime is 97729091. The next prime is 97729127. The reversal of 97729125 is 52192779.

It is not a de Polignac number, because 97729125 - 2⁷ = 97728997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97729127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5149 + ... + 14898.

It is an arithmetic number, because the mean of its divisors is an integer number (5473104).

Almost surely, 2^97729125 is an apocalyptic number.

It is an amenable number.

97729125 is a deficient number, since it is larger than the sum of its proper divisors (77410203).

97729125 is a wasteful number, since it uses less digits than its factorization.

97729125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20078 (or 20068 counting only the distinct ones).

The product of its digits is 79380, while the sum is 42.

The square root of 97729125 is about 9885.8042161475. The cubic root of 97729125 is about 460.6184576676.

The spelling of 97729125 in words is "ninety-seven million, seven hundred twenty-nine thousand, one hundred twenty-five".