70258439 has 4 divisors (see below), whose sum is σ = 71449320. Its totient is φ = 69067560.

The previous prime is 70258427. The next prime is 70258451. The reversal of 70258439 is 93485207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93485207 = 41 ⋅2280127.

It is an interprime number because it is at equal distance from previous prime (70258427) and next prime (70258451).

It is a cyclic number.

It is not a de Polignac number, because 70258439 - 2⁴ = 70258423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70258499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595352 + ... + 595469.

It is an arithmetic number, because the mean of its divisors is an integer number (17862330).

Almost surely, 2^70258439 is an apocalyptic number.

70258439 is a deficient number, since it is larger than the sum of its proper divisors (1190881).

70258439 is a wasteful number, since it uses less digits than its factorization.

70258439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190880.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 70258439 is about 8382.0307205354. The cubic root of 70258439 is about 412.6350979592.

The spelling of 70258439 in words is "seventy million, two hundred fifty-eight thousand, four hundred thirty-nine".