70866434 has 16 divisors (see below), whose sum is σ = 111594240. Its totient is φ = 33707280.

The previous prime is 70866413. The next prime is 70866437. The reversal of 70866434 is 43466807.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70866437) 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, 6029 + ... + 13344.

It is an arithmetic number, because the mean of its divisors is an integer number (6974640).

Almost surely, 2^70866434 is an apocalyptic number.

70866434 is a deficient number, since it is larger than the sum of its proper divisors (40727806).

70866434 is a wasteful number, since it uses less digits than its factorization.

70866434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19465.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 70866434 is about 8418.2203582467. The cubic root of 70866434 is about 413.8219535142.

The spelling of 70866434 in words is "seventy million, eight hundred sixty-six thousand, four hundred thirty-four".