70607649841 has 9 divisors (see below), whose sum is σ = 72382959489. Its totient is φ = 68874883200.

The previous prime is 70607649817. The next prime is 70607649859. The reversal of 70607649841 is 14894670607.

The square root of 70607649841 is 265721.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 531441 + 70607118400 = 729^2 + 265720^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70607649841 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (70607647841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10891321 + ... + 10897801.

Almost surely, 2^70607649841 is an apocalyptic number.

70607649841 is the 265721-st square number.

70607649841 is the 132861-st centered octagonal number.

It is an amenable number.

70607649841 is a deficient number, since it is larger than the sum of its proper divisors (1775309648).

70607649841 is an frugal number, since it uses more digits than its factorization.

70607649841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044 (or 6522 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 70607649841 in words is "seventy billion, six hundred seven million, six hundred forty-nine thousand, eight hundred forty-one".