342920741 has 2 divisors, whose sum is σ = 342920742. Its totient is φ = 342920740.

The previous prime is 342920707. The next prime is 342920819. The reversal of 342920741 is 147029243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228644641 + 114276100 = 15121^2 + 10690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342920741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342920698 and 342920707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342926741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171460370 + 171460371.

It is an arithmetic number, because the mean of its divisors is an integer number (171460371).

Almost surely, 2^342920741 is an apocalyptic number.

It is an amenable number.

342920741 is a deficient number, since it is larger than the sum of its proper divisors (1).

342920741 is an equidigital number, since it uses as much as digits as its factorization.

342920741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 342920741 is about 18518.1192619553. The cubic root of 342920741 is about 699.9460781594.

Adding to 342920741 its reverse (147029243), we get a palindrome (489949984).

The spelling of 342920741 in words is "three hundred forty-two million, nine hundred twenty thousand, seven hundred forty-one".