70611697 has 8 divisors (see below), whose sum is σ = 76109544. Its totient is φ = 65123328.

The previous prime is 70611641. The next prime is 70611713. The reversal of 70611697 is 79611607.

It can be written as a sum of positive squares in 4 ways, for example, as 6355441 + 64256256 = 2521^2 + 8016^2 .

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 70611697 - 2¹⁵ = 70578929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70611637) 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, 24273 + ... + 27025.

It is an arithmetic number, because the mean of its divisors is an integer number (9513693).

Almost surely, 2^70611697 is an apocalyptic number.

It is an amenable number.

70611697 is a deficient number, since it is larger than the sum of its proper divisors (5497847).

70611697 is a wasteful number, since it uses less digits than its factorization.

70611697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 70611697 is about 8403.0766389460. The cubic root of 70611697 is about 413.3255157355.

It can be divided in two parts, 706 and 11697, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 70611697 in words is "seventy million, six hundred eleven thousand, six hundred ninety-seven".