70223516765 has 4 divisors (see below), whose sum is σ = 84268220124. Its totient is φ = 56178813408.

The previous prime is 70223516749. The next prime is 70223516789. The reversal of 70223516765 is 56761532207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56761532207 = 36653 ⋅1548619.

It can be written as a sum of positive squares in 2 ways, for example, as 11163824281 + 59059692484 = 105659^2 + 243022^2 .

It is a cyclic number.

It is not a de Polignac number, because 70223516765 - 2⁴ = 70223516749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7022351672 + ... + 7022351681.

It is an arithmetic number, because the mean of its divisors is an integer number (21067055031).

Almost surely, 2^70223516765 is an apocalyptic number.

It is an amenable number.

70223516765 is a deficient number, since it is larger than the sum of its proper divisors (14044703359).

70223516765 is a wasteful number, since it uses less digits than its factorization.

70223516765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14044703358.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 70223516765 in words is "seventy billion, two hundred twenty-three million, five hundred sixteen thousand, seven hundred sixty-five".