670507727 has 8 divisors (see below), whose sum is σ = 727265952. Its totient is φ = 615673600.

The previous prime is 670507709. The next prime is 670507769. The reversal of 670507727 is 727705076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670507727 - 2¹⁰ = 670506703 is a prime.

It is a super-2 number, since 2×670507727² = 899161223933413058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670507027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480299 + ... + 481692.

It is an arithmetic number, because the mean of its divisors is an integer number (90908244).

Almost surely, 2^670507727 is an apocalyptic number.

670507727 is a deficient number, since it is larger than the sum of its proper divisors (56758225).

670507727 is a wasteful number, since it uses less digits than its factorization.

670507727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962049.

The product of its (nonzero) digits is 144060, while the sum is 41.

The square root of 670507727 is about 25894.1639563821. The cubic root of 670507727 is about 875.2549905004.

The spelling of 670507727 in words is "six hundred seventy million, five hundred seven thousand, seven hundred twenty-seven".