70757226745 has 4 divisors (see below), whose sum is σ = 84908672100. Its totient is φ = 56605781392.

The previous prime is 70757226739. The next prime is 70757226781. The reversal of 70757226745 is 54762275707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54762275707 = 23 ⋅2380968509.

It can be written as a sum of positive squares in 2 ways, for example, as 51590762496 + 19166464249 = 227136^2 + 138443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70757226745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70757226692 and 70757226701.

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, 7075722670 + ... + 7075722679.

It is an arithmetic number, because the mean of its divisors is an integer number (21227168025).

Almost surely, 2^70757226745 is an apocalyptic number.

It is an amenable number.

70757226745 is a deficient number, since it is larger than the sum of its proper divisors (14151445355).

70757226745 is a wasteful number, since it uses less digits than its factorization.

70757226745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151445354.

The product of its (nonzero) digits is 5762400, while the sum is 52.

The spelling of 70757226745 in words is "seventy billion, seven hundred fifty-seven million, two hundred twenty-six thousand, seven hundred forty-five".