670340342 has 16 divisors (see below), whose sum is σ = 1186225152. Its totient is φ = 278021160.

The previous prime is 670340339. The next prime is 670340353. The reversal of 670340342 is 243043076.

It is a happy number.

It is a super-2 number, since 2×670340342² = 898712348225353928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771848 + ... + 772715.

It is an arithmetic number, because the mean of its divisors is an integer number (74139072).

Almost surely, 2^670340342 is an apocalyptic number.

670340342 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

670340342 is a deficient number, since it is larger than the sum of its proper divisors (515884810).

670340342 is a wasteful number, since it uses less digits than its factorization.

670340342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544603.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 670340342 is about 25890.9316556975. The cubic root of 670340342 is about 875.1821517925.

The spelling of 670340342 in words is "six hundred seventy million, three hundred forty thousand, three hundred forty-two".