670687342 has 24 divisors (see below), whose sum is σ = 1095775128. Its totient is φ = 306030480.

The previous prime is 670687333. The next prime is 670687373. The reversal of 670687342 is 243786076.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365717 + ... + 1366207.

It is an arithmetic number, because the mean of its divisors is an integer number (45657297).

Almost surely, 2^670687342 is an apocalyptic number.

670687342 is a deficient number, since it is larger than the sum of its proper divisors (425087786).

670687342 is a wasteful number, since it uses less digits than its factorization.

670687342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 670687342 is about 25897.6319766885. The cubic root of 670687342 is about 875.3331376930. Note that the first 3 decimals are identical.

The spelling of 670687342 in words is "six hundred seventy million, six hundred eighty-seven thousand, three hundred forty-two".