724910969 has 2 divisors, whose sum is σ = 724910970. Its totient is φ = 724910968.

The previous prime is 724910911. The next prime is 724911023. The reversal of 724910969 is 969019427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672883600 + 52027369 = 25940^2 + 7213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724910969 is a prime.

It is a super-2 number, since 2×724910969² = 1050991825953037922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (724910269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362455484 + 362455485.

It is an arithmetic number, because the mean of its divisors is an integer number (362455485).

Almost surely, 2^724910969 is an apocalyptic number.

It is an amenable number.

724910969 is a deficient number, since it is larger than the sum of its proper divisors (1).

724910969 is an equidigital number, since it uses as much as digits as its factorization.

724910969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 724910969 is about 26924.1707207483. The cubic root of 724910969 is about 898.3141151567.

The spelling of 724910969 in words is "seven hundred twenty-four million, nine hundred ten thousand, nine hundred sixty-nine".