70258279 has 16 divisors (see below), whose sum is σ = 88316928. Its totient is φ = 54402912.

The previous prime is 70258273. The next prime is 70258367. The reversal of 70258279 is 97285207.

It is a cyclic number.

It is not a de Polignac number, because 70258279 - 2⁷ = 70258151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70258273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3937 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (5519808).

Almost surely, 2^70258279 is an apocalyptic number.

70258279 is a deficient number, since it is larger than the sum of its proper divisors (18058649).

70258279 is a wasteful number, since it uses less digits than its factorization.

70258279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16494.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 70258279 is about 8382.0211763035. The cubic root of 70258279 is about 412.6347847268.

The spelling of 70258279 in words is "seventy million, two hundred fifty-eight thousand, two hundred seventy-nine".