70001479 has 2 divisors, whose sum is σ = 70001480. Its totient is φ = 70001478.

The previous prime is 70001431. The next prime is 70001483. The reversal of 70001479 is 97410007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70001479 - 2¹⁵ = 69968711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70001419) 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, 35000739 + 35000740.

It is an arithmetic number, because the mean of its divisors is an integer number (35000740).

Almost surely, 2^70001479 is an apocalyptic number.

70001479 is a deficient number, since it is larger than the sum of its proper divisors (1).

70001479 is an equidigital number, since it uses as much as digits as its factorization.

70001479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 70001479 is about 8366.6886520295. The cubic root of 70001479 is about 412.1314325228.

The spelling of 70001479 in words is "seventy million, one thousand, four hundred seventy-nine".