70471263 has 16 divisors (see below), whose sum is σ = 95648256. Its totient is φ = 46142880.

The previous prime is 70471259. The next prime is 70471279. The reversal of 70471263 is 36217407.

It is not a de Polignac number, because 70471263 - 2² = 70471259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70471263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70471243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79006 + ... + 79892.

It is an arithmetic number, because the mean of its divisors is an integer number (5978016).

Almost surely, 2^70471263 is an apocalyptic number.

70471263 is a deficient number, since it is larger than the sum of its proper divisors (25176993).

70471263 is a wasteful number, since it uses less digits than its factorization.

70471263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 70471263 is about 8394.7163740057. The cubic root of 70471263 is about 413.0513237774.

The spelling of 70471263 in words is "seventy million, four hundred seventy-one thousand, two hundred sixty-three".