670542892 has 24 divisors (see below), whose sum is σ = 1186799040. Its totient is φ = 331470480.

The previous prime is 670542881. The next prime is 670542893. The reversal of 670542892 is 298245076.

It is not an unprimeable number, because it can be changed into a prime (670542893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263667 + ... + 266197.

It is an arithmetic number, because the mean of its divisors is an integer number (49449960).

Almost surely, 2^670542892 is an apocalyptic number.

It is an amenable number.

670542892 is a deficient number, since it is larger than the sum of its proper divisors (516256148).

670542892 is a wasteful number, since it uses less digits than its factorization.

670542892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261 (or 3259 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 670542892 is about 25894.8429614856. The cubic root of 670542892 is about 875.2702912456.

The spelling of 670542892 in words is "six hundred seventy million, five hundred forty-two thousand, eight hundred ninety-two".