345037747 has 2 divisors, whose sum is σ = 345037748. Its totient is φ = 345037746.

The previous prime is 345037711. The next prime is 345037751. The reversal of 345037747 is 747730543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345037747 - 2²⁷ = 210820019 is a prime.

It is not a weakly prime, because it can be changed into another prime (345032747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172518873 + 172518874.

It is an arithmetic number, because the mean of its divisors is an integer number (172518874).

Almost surely, 2^345037747 is an apocalyptic number.

345037747 is a deficient number, since it is larger than the sum of its proper divisors (1).

345037747 is an equidigital number, since it uses as much as digits as its factorization.

345037747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 40.

The square root of 345037747 is about 18575.1917082974. The cubic root of 345037747 is about 701.3834863128.

The spelling of 345037747 in words is "three hundred forty-five million, thirty-seven thousand, seven hundred forty-seven".