670280061 has 16 divisors (see below), whose sum is σ = 991480320. Its totient is φ = 399343920.

The previous prime is 670280059. The next prime is 670280153. The reversal of 670280061 is 160082076.

It is a happy number.

It is not a de Polignac number, because 670280061 - 2¹ = 670280059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670280021) 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, 170185 + ... + 174078.

It is an arithmetic number, because the mean of its divisors is an integer number (61967520).

Almost surely, 2^670280061 is an apocalyptic number.

It is an amenable number.

670280061 is a deficient number, since it is larger than the sum of its proper divisors (321200259).

670280061 is a wasteful number, since it uses less digits than its factorization.

670280061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344336.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 670280061 is about 25889.7674960591. The cubic root of 670280061 is about 875.1559171405.

The spelling of 670280061 in words is "six hundred seventy million, two hundred eighty thousand, sixty-one".