670001144 has 32 divisors (see below), whose sum is σ = 1332281520. Its totient is φ = 314789376.

The previous prime is 670001141. The next prime is 670001153. The reversal of 670001144 is 441100076.

It is a super-2 number, since 2×670001144² = 897803065922617472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670001141) 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, 89282 + ... + 96494.

Almost surely, 2^670001144 is an apocalyptic number.

It is an amenable number.

670001144 is a deficient number, since it is larger than the sum of its proper divisors (662280376).

670001144 is a wasteful number, since it uses less digits than its factorization.

670001144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 670001144 is about 25884.3803093680. The cubic root of 670001144 is about 875.0345103124.

The spelling of 670001144 in words is "six hundred seventy million, one thousand, one hundred forty-four".