70165072 has 10 divisors (see below), whose sum is σ = 135944858. Its totient is φ = 35082528.

The previous prime is 70165037. The next prime is 70165079. The reversal of 70165072 is 27056107.

It can be written as a sum of positive squares in only one way, i.e., 69288976 + 876096 = 8324^2 + 936^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70165072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70165079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2192643 + ... + 2192674.

Almost surely, 2^70165072 is an apocalyptic number.

It is an amenable number.

70165072 is a deficient number, since it is larger than the sum of its proper divisors (65779786).

70165072 is a wasteful number, since it uses less digits than its factorization.

70165072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385325 (or 4385319 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 70165072 is about 8376.4593952338. The cubic root of 70165072 is about 412.4522322403.

The spelling of 70165072 in words is "seventy million, one hundred sixty-five thousand, seventy-two".