70478071 has 2 divisors, whose sum is σ = 70478072. Its totient is φ = 70478070.

The previous prime is 70478053. The next prime is 70478099. The reversal of 70478071 is 17087407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70478071 - 2¹¹ = 70476023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70478041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35239035 + 35239036.

It is an arithmetic number, because the mean of its divisors is an integer number (35239036).

Almost surely, 2^70478071 is an apocalyptic number.

70478071 is a deficient number, since it is larger than the sum of its proper divisors (1).

70478071 is an equidigital number, since it uses as much as digits as its factorization.

70478071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 70478071 is about 8395.1218573645. The cubic root of 70478071 is about 413.0646245317.

The spelling of 70478071 in words is "seventy million, four hundred seventy-eight thousand, seventy-one".