709732379 has 2 divisors, whose sum is σ = 709732380. Its totient is φ = 709732378.

The previous prime is 709732339. The next prime is 709732433. The reversal of 709732379 is 973237907.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-709732379 is a prime.

It is not a weakly prime, because it can be changed into another prime (709732339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354866189 + 354866190.

It is an arithmetic number, because the mean of its divisors is an integer number (354866190).

Almost surely, 2^709732379 is an apocalyptic number.

709732379 is a deficient number, since it is larger than the sum of its proper divisors (1).

709732379 is an equidigital number, since it uses as much as digits as its factorization.

709732379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500094, while the sum is 47.

The square root of 709732379 is about 26640.8028970600. The cubic root of 709732379 is about 892.0000381233. Note that the first 4 decimals are identical.

The spelling of 709732379 in words is "seven hundred nine million, seven hundred thirty-two thousand, three hundred seventy-nine".