70530507 has 12 divisors (see below), whose sum is σ = 105651000. Its totient is φ = 47020176.

The previous prime is 70530497. The next prime is 70530511. The reversal of 70530507 is 70503507.

It is not a de Polignac number, because 70530507 - 2¹¹ = 70528459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70530517) 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, 144882 + ... + 145367.

It is an arithmetic number, because the mean of its divisors is an integer number (8804250).

Almost surely, 2^70530507 is an apocalyptic number.

70530507 is a deficient number, since it is larger than the sum of its proper divisors (35120493).

70530507 is an equidigital number, since it uses as much as digits as its factorization.

70530507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290264 (or 290252 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 27.

The square root of 70530507 is about 8398.2442808006. The cubic root of 70530507 is about 413.1670397794.

Subtracting from 70530507 its reverse (70503507), we obtain a cube (27000 = 30³).

The spelling of 70530507 in words is "seventy million, five hundred thirty thousand, five hundred seven".