70258079 has 4 divisors (see below), whose sum is σ = 72156984. Its totient is φ = 68359176.

The previous prime is 70258063. The next prime is 70258081. The reversal of 70258079 is 97085207.

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 70258079 - 2⁴ = 70258063 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 (70258099) 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, 949397 + ... + 949470.

It is an arithmetic number, because the mean of its divisors is an integer number (18039246).

Almost surely, 2^70258079 is an apocalyptic number.

70258079 is a deficient number, since it is larger than the sum of its proper divisors (1898905).

70258079 is a wasteful number, since it uses less digits than its factorization.

70258079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898904.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 70258079 is about 8382.0092459982. The cubic root of 70258079 is about 412.6343931855.

The spelling of 70258079 in words is "seventy million, two hundred fifty-eight thousand, seventy-nine".