342740787 has 16 divisors (see below), whose sum is σ = 462061440. Its totient is φ = 225971712.

The previous prime is 342740759. The next prime is 342740813. The reversal of 342740787 is 787047243.

It is not a de Polignac number, because 342740787 - 2¹⁶ = 342675251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342740737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101988 + ... + 105294.

It is an arithmetic number, because the mean of its divisors is an integer number (28878840).

Almost surely, 2^342740787 is an apocalyptic number.

342740787 is a deficient number, since it is larger than the sum of its proper divisors (119320653).

342740787 is a wasteful number, since it uses less digits than its factorization.

342740787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682.

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 342740787 is about 18513.2597615871. The cubic root of 342740787 is about 699.8236201870.

The spelling of 342740787 in words is "three hundred forty-two million, seven hundred forty thousand, seven hundred eighty-seven".