70140407 has 2 divisors, whose sum is σ = 70140408. Its totient is φ = 70140406.

The previous prime is 70140379. The next prime is 70140443. The reversal of 70140407 is 70404107.

It is a weak prime.

It is an emirp because it is prime and its reverse (70404107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70140407 - 2¹⁴ = 70124023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70140467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35070203 + 35070204.

It is an arithmetic number, because the mean of its divisors is an integer number (35070204).

Almost surely, 2^70140407 is an apocalyptic number.

70140407 is a deficient number, since it is larger than the sum of its proper divisors (1).

70140407 is an equidigital number, since it uses as much as digits as its factorization.

70140407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 70140407 is about 8374.9869850645. The cubic root of 70140407 is about 412.4038970488.

The spelling of 70140407 in words is "seventy million, one hundred forty thousand, four hundred seven".