70067145 has 16 divisors (see below), whose sum is σ = 112540032. Its totient is φ = 37224960.

The previous prime is 70067071. The next prime is 70067191. The reversal of 70067145 is 54176007.

It is a happy number.

It is not a de Polignac number, because 70067145 - 2¹¹ = 70065097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4936 + ... + 12825.

It is an arithmetic number, because the mean of its divisors is an integer number (7033752).

Almost surely, 2^70067145 is an apocalyptic number.

It is an amenable number.

70067145 is a deficient number, since it is larger than the sum of its proper divisors (42472887).

70067145 is a wasteful number, since it uses less digits than its factorization.

70067145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 70067145 is about 8370.6119847954. The cubic root of 70067145 is about 412.2602610616.

The spelling of 70067145 in words is "seventy million, sixty-seven thousand, one hundred forty-five".