70366664 has 8 divisors (see below), whose sum is σ = 131937510. Its totient is φ = 35183328.

The previous prime is 70366663. The next prime is 70366679. The reversal of 70366664 is 46666307.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 29789764 = 6370^2 + 5458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (70366663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4397909 + ... + 4397924.

Almost surely, 2^70366664 is an apocalyptic number.

It is an amenable number.

70366664 is a deficient number, since it is larger than the sum of its proper divisors (61570846).

70366664 is a wasteful number, since it uses less digits than its factorization.

70366664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795839 (or 8795835 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 70366664 is about 8388.4840108329. The cubic root of 70366664 is about 412.8468614799.

The spelling of 70366664 in words is "seventy million, three hundred sixty-six thousand, six hundred sixty-four".