97646273 has 4 divisors (see below), whose sum is σ = 97809348. Its totient is φ = 97483200.

The previous prime is 97646257. The next prime is 97646281. The reversal of 97646273 is 37264679.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37264679 = 103 ⋅361793.

It can be written as a sum of positive squares in 2 ways, for example, as 92775424 + 4870849 = 9632^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 97646273 - 2⁴ = 97646257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97646173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80636 + ... + 81837.

It is an arithmetic number, because the mean of its divisors is an integer number (24452337).

Almost surely, 2^97646273 is an apocalyptic number.

It is an amenable number.

97646273 is a deficient number, since it is larger than the sum of its proper divisors (163075).

97646273 is a wasteful number, since it uses less digits than its factorization.

97646273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163074.

The product of its digits is 381024, while the sum is 44.

The square root of 97646273 is about 9881.6128744249. The cubic root of 97646273 is about 460.4882544142.

The spelling of 97646273 in words is "ninety-seven million, six hundred forty-six thousand, two hundred seventy-three".