670615601 has 4 divisors (see below), whose sum is σ = 670939632. Its totient is φ = 670291572.

The previous prime is 670615579. The next prime is 670615607. The reversal of 670615601 is 106516076.

670615601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670615601 - 2⁶ = 670615537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670615607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158891 + ... + 163056.

It is an arithmetic number, because the mean of its divisors is an integer number (167734908).

Almost surely, 2^670615601 is an apocalyptic number.

It is an amenable number.

670615601 is a deficient number, since it is larger than the sum of its proper divisors (324031).

670615601 is a wasteful number, since it uses less digits than its factorization.

670615601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324030.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 670615601 is about 25896.2468516193. The cubic root of 670615601 is about 875.3019261732.

The spelling of 670615601 in words is "six hundred seventy million, six hundred fifteen thousand, six hundred one".