70672907 has 2 divisors, whose sum is σ = 70672908. Its totient is φ = 70672906.

The previous prime is 70672883. The next prime is 70672909. The reversal of 70672907 is 70927607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70672907 - 2⁶ = 70672843 is a prime.

Together with 70672909, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70672909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35336453 + 35336454.

It is an arithmetic number, because the mean of its divisors is an integer number (35336454).

Almost surely, 2^70672907 is an apocalyptic number.

70672907 is a deficient number, since it is larger than the sum of its proper divisors (1).

70672907 is an equidigital number, since it uses as much as digits as its factorization.

70672907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 70672907 is about 8406.7179683869. The cubic root of 70672907 is about 413.4449121388. Note that the first 3 decimals are identical.

The spelling of 70672907 in words is "seventy million, six hundred seventy-two thousand, nine hundred seven".