97279573 has 4 divisors (see below), whose sum is σ = 98511040. Its totient is φ = 96048108.

The previous prime is 97279561. The next prime is 97279577. The reversal of 97279573 is 37597279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97279573 - 2¹³ = 97271381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97279577) 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, 615615 + ... + 615772.

It is an arithmetic number, because the mean of its divisors is an integer number (24627760).

Almost surely, 2^97279573 is an apocalyptic number.

It is an amenable number.

97279573 is a deficient number, since it is larger than the sum of its proper divisors (1231467).

97279573 is a wasteful number, since it uses less digits than its factorization.

97279573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231466.

The product of its digits is 833490, while the sum is 49.

The square root of 97279573 is about 9863.0407583057. The cubic root of 97279573 is about 459.9110934037.

The spelling of 97279573 in words is "ninety-seven million, two hundred seventy-nine thousand, five hundred seventy-three".