724074089 has 2 divisors, whose sum is σ = 724074090. Its totient is φ = 724074088.

The previous prime is 724074083. The next prime is 724074101. The reversal of 724074089 is 980470427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 598634089 + 125440000 = 24467^2 + 11200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724074089 is a prime.

It is a super-2 number, since 2×724074089² = 1048566572722359842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (724074083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362037044 + 362037045.

It is an arithmetic number, because the mean of its divisors is an integer number (362037045).

Almost surely, 2^724074089 is an apocalyptic number.

It is an amenable number.

724074089 is a deficient number, since it is larger than the sum of its proper divisors (1).

724074089 is an equidigital number, since it uses as much as digits as its factorization.

724074089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 724074089 is about 26908.6248069276. The cubic root of 724074089 is about 897.9682931019.

The spelling of 724074089 in words is "seven hundred twenty-four million, seventy-four thousand, eighty-nine".