70010387 has 2 divisors, whose sum is σ = 70010388. Its totient is φ = 70010386.

The previous prime is 70010363. The next prime is 70010399. The reversal of 70010387 is 78301007.

It is a strong prime.

It is an emirp because it is prime and its reverse (78301007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70010387 - 2⁶ = 70010323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70010287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35005193 + 35005194.

It is an arithmetic number, because the mean of its divisors is an integer number (35005194).

Almost surely, 2^70010387 is an apocalyptic number.

70010387 is a deficient number, since it is larger than the sum of its proper divisors (1).

70010387 is an equidigital number, since it uses as much as digits as its factorization.

70010387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70010387 is about 8367.2209842934. The cubic root of 70010387 is about 412.1489136348.

The spelling of 70010387 in words is "seventy million, ten thousand, three hundred eighty-seven".