724447379 has 2 divisors, whose sum is σ = 724447380. Its totient is φ = 724447378.

The previous prime is 724447351. The next prime is 724447393. The reversal of 724447379 is 973744427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 724447379 - 2¹² = 724443283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (724447319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362223689 + 362223690.

It is an arithmetic number, because the mean of its divisors is an integer number (362223690).

Almost surely, 2^724447379 is an apocalyptic number.

724447379 is a deficient number, since it is larger than the sum of its proper divisors (1).

724447379 is an equidigital number, since it uses as much as digits as its factorization.

724447379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 47.

The square root of 724447379 is about 26915.5601650792. The cubic root of 724447379 is about 898.1225797981.

The spelling of 724447379 in words is "seven hundred twenty-four million, four hundred forty-seven thousand, three hundred seventy-nine".