97273669 has 4 divisors (see below), whose sum is σ = 97580844. Its totient is φ = 96966496.

The previous prime is 97273667. The next prime is 97273679. The reversal of 97273669 is 96637279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96637279 = 1733 ⋅55763.

It can be written as a sum of positive squares in 2 ways, for example, as 2211169 + 95062500 = 1487^2 + 9750^2 .

It is not a de Polignac number, because 97273669 - 2¹ = 97273667 is a prime.

It is a super-2 number, since 2×97273669² = 18924333361443122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97273667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153112 + ... + 153745.

It is an arithmetic number, because the mean of its divisors is an integer number (24395211).

Almost surely, 2^97273669 is an apocalyptic number.

It is an amenable number.

97273669 is a deficient number, since it is larger than the sum of its proper divisors (307175).

97273669 is a wasteful number, since it uses less digits than its factorization.

97273669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307174.

The product of its digits is 857304, while the sum is 49.

The square root of 97273669 is about 9862.7414545855. The cubic root of 97273669 is about 459.9017890522.

The spelling of 97273669 in words is "ninety-seven million, two hundred seventy-three thousand, six hundred sixty-nine".