70317479 has 2 divisors, whose sum is σ = 70317480. Its totient is φ = 70317478.

The previous prime is 70317473. The next prime is 70317493. The reversal of 70317479 is 97471307.

It is a weak prime.

It is an emirp because it is prime and its reverse (97471307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70317479 - 2¹⁶ = 70251943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70317473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35158739 + 35158740.

It is an arithmetic number, because the mean of its divisors is an integer number (35158740).

Almost surely, 2^70317479 is an apocalyptic number.

70317479 is a deficient number, since it is larger than the sum of its proper divisors (1).

70317479 is an equidigital number, since it uses as much as digits as its factorization.

70317479 is an evil number, because the sum of its binary digits is even.

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

The square root of 70317479 is about 8385.5518005674. The cubic root of 70317479 is about 412.7506482794.

The spelling of 70317479 in words is "seventy million, three hundred seventeen thousand, four hundred seventy-nine".