70486161 has 4 divisors (see below), whose sum is σ = 93981552. Its totient is φ = 46990772.

The previous prime is 70486151. The next prime is 70486177. The reversal of 70486161 is 16168407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70486161 - 2¹⁰ = 70485137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70486111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11747691 + ... + 11747696.

It is an arithmetic number, because the mean of its divisors is an integer number (23495388).

Almost surely, 2^70486161 is an apocalyptic number.

It is an amenable number.

70486161 is a deficient number, since it is larger than the sum of its proper divisors (23495391).

70486161 is a wasteful number, since it uses less digits than its factorization.

70486161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23495390.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 70486161 is about 8395.6036709697. The cubic root of 70486161 is about 413.0804288092.

The spelling of 70486161 in words is "seventy million, four hundred eighty-six thousand, one hundred sixty-one".