70912273609 has 8 divisors (see below), whose sum is σ = 72683353512. Its totient is φ = 69143170560.

The previous prime is 70912273589. The next prime is 70912273639. The reversal of 70912273609 is 90637221907.

It can be written as a sum of positive squares in 4 ways, for example, as 4698691209 + 66213582400 = 68547^2 + 257320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70912273609 - 2²³ = 70903885001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70912273639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421444 + ... + 565189.

It is an arithmetic number, because the mean of its divisors is an integer number (9085419189).

Almost surely, 2^70912273609 is an apocalyptic number.

It is an amenable number.

70912273609 is a deficient number, since it is larger than the sum of its proper divisors (1771079903).

70912273609 is a wasteful number, since it uses less digits than its factorization.

70912273609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988427.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 70912273609 in words is "seventy billion, nine hundred twelve million, two hundred seventy-three thousand, six hundred nine".