70670669 has 8 divisors (see below), whose sum is σ = 73661952. Its totient is φ = 67723920.

The previous prime is 70670641. The next prime is 70670681. The reversal of 70670669 is 96607607.

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 70670669 - 2¹² = 70666573 is a prime.

It is a super-2 number, since 2×70670669² = 9988686913815122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7874 + ... + 14259.

It is an arithmetic number, because the mean of its divisors is an integer number (9207744).

Almost surely, 2^70670669 is an apocalyptic number.

It is an amenable number.

70670669 is a deficient number, since it is larger than the sum of its proper divisors (2991283).

70670669 is a wasteful number, since it uses less digits than its factorization.

70670669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22267.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 70670669 is about 8406.5848595015. The cubic root of 70670669 is about 413.4405479040.

The spelling of 70670669 in words is "seventy million, six hundred seventy thousand, six hundred sixty-nine".