670542 has 32 divisors (see below), whose sum is σ = 1444608. Its totient is φ = 206976.

The previous prime is 670541. The next prime is 670543. The reversal of 670542 is 245076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (670541) and next prime (670543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5878 + ... + 5990.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

2⁶⁷⁰⁵⁴² is an apocalyptic number.

670542 is an abundant number, since it is smaller than the sum of its proper divisors (774066).

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

670542 is a wasteful number, since it uses less digits than its factorization.

670542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 670542 is about 818.8662894515. The cubic root of 670542 is about 87.5269903131.

The spelling of 670542 in words is "six hundred seventy thousand, five hundred forty-two".