97140735 has 32 divisors (see below), whose sum is σ = 175078080. Its totient is φ = 51093504.

The previous prime is 97140713. The next prime is 97140761. The reversal of 97140735 is 53704179.

It is a happy number.

It is a Cunningham number, because it is equal to 9856²-1.

It is not a de Polignac number, because 97140735 - 2⁶ = 97140671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97140735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4927 + ... + 14783.

It is an arithmetic number, because the mean of its divisors is an integer number (5471190).

Almost surely, 2^97140735 is an apocalyptic number.

97140735 is a deficient number, since it is larger than the sum of its proper divisors (77937345).

97140735 is a wasteful number, since it uses less digits than its factorization.

97140735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9944 (or 9938 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 97140735 is about 9855.9999492695. Note that the first 4 decimals coincide. The cubic root of 97140735 is about 459.6921932594.

The spelling of 97140735 in words is "ninety-seven million, one hundred forty thousand, seven hundred thirty-five".