342634745 has 16 divisors (see below), whose sum is σ = 445970448. Its totient is φ = 251688960.

The previous prime is 342634741. The next prime is 342634751. The reversal of 342634745 is 547436243.

It can be written as a sum of positive squares in 8 ways, for example, as 9535744 + 333099001 = 3088^2 + 18251^2 .

It is not a de Polignac number, because 342634745 - 2² = 342634741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 342634699 and 342634708.

It is not an unprimeable number, because it can be changed into a prime (342634741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45674 + ... + 52643.

It is an arithmetic number, because the mean of its divisors is an integer number (27873153).

Almost surely, 2^342634745 is an apocalyptic number.

It is an amenable number.

342634745 is a deficient number, since it is larger than the sum of its proper divisors (103335703).

342634745 is a wasteful number, since it uses less digits than its factorization.

342634745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98380.

The product of its digits is 241920, while the sum is 38.

The square root of 342634745 is about 18510.3955927473. The cubic root of 342634745 is about 699.7514389605.

The spelling of 342634745 in words is "three hundred forty-two million, six hundred thirty-four thousand, seven hundred forty-five".