670542207 has 16 divisors (see below), whose sum is σ = 933742080. Its totient is φ = 427219232.

The previous prime is 670542199. The next prime is 670542211. The reversal of 670542207 is 702245076.

It is a cyclic number.

It is not a de Polignac number, because 670542207 - 2³ = 670542199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670542217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90769 + ... + 97877.

It is an arithmetic number, because the mean of its divisors is an integer number (58358880).

Almost surely, 2^670542207 is an apocalyptic number.

670542207 is a deficient number, since it is larger than the sum of its proper divisors (263199873).

670542207 is a wasteful number, since it uses less digits than its factorization.

670542207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8502.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 670542207 is about 25894.8297349104. The cubic root of 670542207 is about 875.2699931983.

The spelling of 670542207 in words is "six hundred seventy million, five hundred forty-two thousand, two hundred seven".