70472811 has 12 divisors (see below), whose sum is σ = 95405352. Its totient is φ = 46271808.

The previous prime is 70472797. The next prime is 70472839. The reversal of 70472811 is 11827407.

It is not a de Polignac number, because 70472811 - 2¹⁰ = 70471787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70472711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10851 + ... + 16083.

It is an arithmetic number, because the mean of its divisors is an integer number (7950446).

Almost surely, 2^70472811 is an apocalyptic number.

70472811 is a deficient number, since it is larger than the sum of its proper divisors (24932541).

70472811 is an equidigital number, since it uses as much as digits as its factorization.

70472811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370 (or 5303 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 70472811 is about 8394.8085743512. The cubic root of 70472811 is about 413.0543481722.

The spelling of 70472811 in words is "seventy million, four hundred seventy-two thousand, eight hundred eleven".