97272771 has 4 divisors (see below), whose sum is σ = 129697032. Its totient is φ = 64848512.

The previous prime is 97272767. The next prime is 97272829. The reversal of 97272771 is 17727279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17727279 = 3 ⋅5909093.

It is a cyclic number.

It is not a de Polignac number, because 97272771 - 2² = 97272767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97272731) 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, 16212126 + ... + 16212131.

It is an arithmetic number, because the mean of its divisors is an integer number (32424258).

Almost surely, 2^97272771 is an apocalyptic number.

97272771 is a deficient number, since it is larger than the sum of its proper divisors (32424261).

97272771 is a wasteful number, since it uses less digits than its factorization.

97272771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32424260.

The product of its digits is 86436, while the sum is 42.

The square root of 97272771 is about 9862.6959296128. The cubic root of 97272771 is about 459.9003738248.

The spelling of 97272771 in words is "ninety-seven million, two hundred seventy-two thousand, seven hundred seventy-one".