70166479 has 2 divisors, whose sum is σ = 70166480. Its totient is φ = 70166478.

The previous prime is 70166471. The next prime is 70166519. The reversal of 70166479 is 97466107.

It is an a-pointer prime, because the next prime (70166519) can be obtained adding 70166479 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70166479 - 2³ = 70166471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70166471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35083239 + 35083240.

It is an arithmetic number, because the mean of its divisors is an integer number (35083240).

Almost surely, 2^70166479 is an apocalyptic number.

70166479 is a deficient number, since it is larger than the sum of its proper divisors (1).

70166479 is an equidigital number, since it uses as much as digits as its factorization.

70166479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70166479 is about 8376.5433801778. The cubic root of 70166479 is about 412.4549891506.

The spelling of 70166479 in words is "seventy million, one hundred sixty-six thousand, four hundred seventy-nine".