70670807 has 4 divisors (see below), whose sum is σ = 70952616. Its totient is φ = 70389000.

The previous prime is 70670771. The next prime is 70670827. The reversal of 70670807 is 70807607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70807607 = 13 ⋅5446739.

It is a cyclic number.

It is not a de Polignac number, because 70670807 - 2¹⁰ = 70669783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670827) 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, 140528 + ... + 141029.

It is an arithmetic number, because the mean of its divisors is an integer number (17738154).

Almost surely, 2^70670807 is an apocalyptic number.

70670807 is a deficient number, since it is larger than the sum of its proper divisors (281809).

70670807 is a wasteful number, since it uses less digits than its factorization.

70670807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281808.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 70670807 is about 8406.5930673490. The cubic root of 70670807 is about 413.4408170150.

The spelling of 70670807 in words is "seventy million, six hundred seventy thousand, eight hundred seven".