70090807 has 2 divisors, whose sum is σ = 70090808. Its totient is φ = 70090806.

The previous prime is 70090799. The next prime is 70090819. The reversal of 70090807 is 70809007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70090807 - 2³ = 70090799 is a prime.

It is a super-2 number, since 2×70090807² = 9825442451822498, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70090837) 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, 35045403 + 35045404.

It is an arithmetic number, because the mean of its divisors is an integer number (35045404).

Almost surely, 2^70090807 is an apocalyptic number.

70090807 is a deficient number, since it is larger than the sum of its proper divisors (1).

70090807 is an equidigital number, since it uses as much as digits as its factorization.

70090807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 70090807 is about 8372.0252627426. The cubic root of 70090807 is about 412.3066632396.

The spelling of 70090807 in words is "seventy million, ninety thousand, eight hundred seven".