70528411 has 4 divisors (see below), whose sum is σ = 70777912. Its totient is φ = 70278912.

The previous prime is 70528397. The next prime is 70528417. The reversal of 70528411 is 11482507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70528411 - 2¹⁷ = 70397339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70528411.

It is not an unprimeable number, because it can be changed into a prime (70528417) 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 3 ways as a sum of consecutive naturals, for example, 124326 + ... + 124891.

It is an arithmetic number, because the mean of its divisors is an integer number (17694478).

Almost surely, 2^70528411 is an apocalyptic number.

70528411 is a deficient number, since it is larger than the sum of its proper divisors (249501).

70528411 is a wasteful number, since it uses less digits than its factorization.

70528411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249500.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 70528411 is about 8398.1194918863. The cubic root of 70528411 is about 413.1629469562.

The spelling of 70528411 in words is "seventy million, five hundred twenty-eight thousand, four hundred eleven".