70613069 has 4 divisors (see below), whose sum is σ = 70630044. Its totient is φ = 70596096.

The previous prime is 70613047. The next prime is 70613083. The reversal of 70613069 is 96031607.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96031607 = 7 ⋅13718801.

It can be written as a sum of positive squares in 2 ways, for example, as 36156169 + 34456900 = 6013^2 + 5870^2 .

It is a cyclic number.

It is not a de Polignac number, because 70613069 - 2²⁴ = 53835853 is a prime.

It is a super-2 number, since 2×70613069² = 9972411027197522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70613089) 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, 2459 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (17657511).

Almost surely, 2^70613069 is an apocalyptic number.

It is an amenable number.

70613069 is a deficient number, since it is larger than the sum of its proper divisors (16975).

70613069 is an equidigital number, since it uses as much as digits as its factorization.

70613069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16974.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 70613069 is about 8403.1582753153. The cubic root of 70613069 is about 413.3281927185.

The spelling of 70613069 in words is "seventy million, six hundred thirteen thousand, sixty-nine".