342673578 has 40 divisors (see below), whose sum is σ = 826912548. Its totient is φ = 105437376.

The previous prime is 342673571. The next prime is 342673589. The reversal of 342673578 is 875376243.

342673578 is a `hidden beast` number, since 3 + 4 + 2 + 6 + 73 + 578 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 310217769 + 32455809 = 17613^2 + 5697^2 .

It is not an unprimeable number, because it can be changed into a prime (342673571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79251 + ... + 83462.

Almost surely, 2^342673578 is an apocalyptic number.

342673578 is an abundant number, since it is smaller than the sum of its proper divisors (484238970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342673578 is a wasteful number, since it uses less digits than its factorization.

342673578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162740 (or 162731 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 342673578 is about 18511.4445141377. Note that the first 3 decimals coincide. The cubic root of 342673578 is about 699.7778737393. Note that the first 3 decimals are identical.

The spelling of 342673578 in words is "three hundred forty-two million, six hundred seventy-three thousand, five hundred seventy-eight".