9724335457 has 4 divisors (see below), whose sum is σ = 9824586436. Its totient is φ = 9624084480.

The previous prime is 9724335443. The next prime is 9724335499. The reversal of 9724335457 is 7545334279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5911149456 + 3813186001 = 76884^2 + 61751^2 .

It is a cyclic number.

It is not a de Polignac number, because 9724335457 - 2²⁷ = 9590117729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9724335457.

It is not an unprimeable number, because it can be changed into a prime (9724335407) 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, 50125344 + ... + 50125537.

It is an arithmetic number, because the mean of its divisors is an integer number (2456146609).

Almost surely, 2^9724335457 is an apocalyptic number.

9724335457 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

It is an amenable number.

9724335457 is a deficient number, since it is larger than the sum of its proper divisors (100250979).

9724335457 is a wasteful number, since it uses less digits than its factorization.

9724335457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100250978.

The product of its digits is 3175200, while the sum is 49.

The square root of 9724335457 is about 98612.0451922583. The cubic root of 9724335457 is about 2134.4532350770.

The spelling of 9724335457 in words is "nine billion, seven hundred twenty-four million, three hundred thirty-five thousand, four hundred fifty-seven".