70247161 has 8 divisors (see below), whose sum is σ = 74486880. Its totient is φ = 66061728.

The previous prime is 70247159. The next prime is 70247171. The reversal of 70247161 is 16174207.

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 70247161 - 2¹ = 70247159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70247131) 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, 10891 + ... + 16096.

It is an arithmetic number, because the mean of its divisors is an integer number (9310860).

Almost surely, 2^70247161 is an apocalyptic number.

It is an amenable number.

70247161 is a deficient number, since it is larger than the sum of its proper divisors (4239719).

70247161 is a wasteful number, since it uses less digits than its factorization.

70247161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 70247161 is about 8381.3579448679. The cubic root of 70247161 is about 412.6130178232.

The spelling of 70247161 in words is "seventy million, two hundred forty-seven thousand, one hundred sixty-one".