97745009 has 8 divisors (see below), whose sum is σ = 104752320. Its totient is φ = 90967536.

The previous prime is 97745003. The next prime is 97745099. The reversal of 97745009 is 90054779.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97745009 - 2¹⁶ = 97679473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97745003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56579 + ... + 58280.

It is an arithmetic number, because the mean of its divisors is an integer number (13094040).

Almost surely, 2^97745009 is an apocalyptic number.

It is an amenable number.

97745009 is a deficient number, since it is larger than the sum of its proper divisors (7007311).

97745009 is a wasteful number, since it uses less digits than its factorization.

97745009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114919.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 97745009 is about 9886.6075577015. The cubic root of 97745009 is about 460.6434112224.

The spelling of 97745009 in words is "ninety-seven million, seven hundred forty-five thousand, nine".