345725707 has 2 divisors, whose sum is σ = 345725708. Its totient is φ = 345725706.

The previous prime is 345725687. The next prime is 345725711. The reversal of 345725707 is 707527543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345725707 - 2¹¹ = 345723659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345725707.

It is not a weakly prime, because it can be changed into another prime (345725777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172862853 + 172862854.

It is an arithmetic number, because the mean of its divisors is an integer number (172862854).

Almost surely, 2^345725707 is an apocalyptic number.

345725707 is a deficient number, since it is larger than the sum of its proper divisors (1).

345725707 is an equidigital number, since it uses as much as digits as its factorization.

345725707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 205800, while the sum is 40.

The square root of 345725707 is about 18593.7007343885. The cubic root of 345725707 is about 701.8493323889.

The spelling of 345725707 in words is "three hundred forty-five million, seven hundred twenty-five thousand, seven hundred seven".